100740626761 has 4 divisors (see below), whose sum is σ = 101416738500. Its totient is φ = 100064515024.

The previous prime is 100740626741. The next prime is 100740626783. The reversal of 100740626761 is 167626047001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7718676736 + 93021950025 = 87856^2 + 304995^2 .

It is a cyclic number.

It is not a de Polignac number, because 100740626761 - 2²¹ = 100738529609 is a prime.

It is a super-2 number, since 2×100740626761² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100740626741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338055646 + ... + 338055943.

It is an arithmetic number, because the mean of its divisors is an integer number (25354184625).

Almost surely, 2^100740626761 is an apocalyptic number.

It is an amenable number.

100740626761 is a deficient number, since it is larger than the sum of its proper divisors (676111739).

100740626761 is an equidigital number, since it uses as much as digits as its factorization.

100740626761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676111738.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 100740626761 in words is "one hundred billion, seven hundred forty million, six hundred twenty-six thousand, seven hundred sixty-one".