245746527475451 has 2 divisors, whose sum is σ = 245746527475452. Its totient is φ = 245746527475450.

The previous prime is 245746527475439. The next prime is 245746527475457. The reversal of 245746527475451 is 154574725647542.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245746527475451 is a prime.

It is not a weakly prime, because it can be changed into another prime (245746527475457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122873263737725 + 122873263737726.

It is an arithmetic number, because the mean of its divisors is an integer number (122873263737726).

Almost surely, 2^{245746527475451} is an apocalyptic number.

245746527475451 is a deficient number, since it is larger than the sum of its proper divisors (1).

245746527475451 is an equidigital number, since it uses as much as digits as its factorization.

245746527475451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1317120000, while the sum is 68.

The spelling of 245746527475451 in words is "two hundred forty-five trillion, seven hundred forty-six billion, five hundred twenty-seven million, four hundred seventy-five thousand, four hundred fifty-one".