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2745458761973 is a prime number
BaseRepresentation
bin100111111100111010000…
…110000010000011110101
3100201110111202000121212212
4213330322012002003311
5324440144420340343
65501125113223205
7402232012301234
oct47747206020365
910643452017785
102745458761973
11969384996154
12384108701b05
1316bb84989325
1496c49322b1b
154b637de2c18
hex27f3a1820f5

2745458761973 has 2 divisors, whose sum is σ = 2745458761974. Its totient is φ = 2745458761972.

The previous prime is 2745458761769. The next prime is 2745458762047. The reversal of 2745458761973 is 3791678545472.

2745458761973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2363543413924 + 381915348049 = 1537382^2 + 617993^2 .

It is a cyclic number.

It is not a de Polignac number, because 2745458761973 - 218 = 2745458499829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2745458761273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372729380986 + 1372729380987.

It is an arithmetic number, because the mean of its divisors is an integer number (1372729380987).

Almost surely, 22745458761973 is an apocalyptic number.

It is an amenable number.

2745458761973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2745458761973 is an equidigital number, since it uses as much as digits as its factorization.

2745458761973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 355622400, while the sum is 68.

The spelling of 2745458761973 in words is "two trillion, seven hundred forty-five billion, four hundred fifty-eight million, seven hundred sixty-one thousand, nine hundred seventy-three".