97262629729 has 2 divisors, whose sum is σ = 97262629730. Its totient is φ = 97262629728.

The previous prime is 97262629699. The next prime is 97262629733. The reversal of 97262629729 is 92792626279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84902304400 + 12360325329 = 291380^2 + 111177^2 .

It is a cyclic number.

It is not a de Polignac number, because 97262629729 - 2⁵ = 97262629697 is a prime.

It is a super-2 number, since 2×97262629729² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97262629769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48631314864 + 48631314865.

It is an arithmetic number, because the mean of its divisors is an integer number (48631314865).

Almost surely, 2^97262629729 is an apocalyptic number.

It is an amenable number.

97262629729 is a deficient number, since it is larger than the sum of its proper divisors (1).

97262629729 is an equidigital number, since it uses as much as digits as its factorization.

97262629729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20575296, while the sum is 61.

The spelling of 97262629729 in words is "ninety-seven billion, two hundred sixty-two million, six hundred twenty-nine thousand, seven hundred twenty-nine".