807735388949 has 2 divisors, whose sum is σ = 807735388950. Its totient is φ = 807735388948.

The previous prime is 807735388871. The next prime is 807735388951. The reversal of 807735388949 is 949883537708.

807735388949 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., 723639448900 + 84095940049 = 850670^2 + 289993^2 .

It is a cyclic number.

It is not a de Polignac number, because 807735388949 - 2¹² = 807735384853 is a prime.

It is a super-2 number, since 2×807735388949² (a number of 25 digits) contains 22 as substring.

Together with 807735388951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (807735388969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403867694474 + 403867694475.

It is an arithmetic number, because the mean of its divisors is an integer number (403867694475).

Almost surely, 2^807735388949 is an apocalyptic number.

It is an amenable number.

807735388949 is a deficient number, since it is larger than the sum of its proper divisors (1).

807735388949 is an equidigital number, since it uses as much as digits as its factorization.

807735388949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 365783040, while the sum is 71.

The spelling of 807735388949 in words is "eight hundred seven billion, seven hundred thirty-five million, three hundred eighty-eight thousand, nine hundred forty-nine".