7955769040129 has 4 divisors (see below), whose sum is σ = 7960386435376. Its totient is φ = 7951151644884.

The previous prime is 7955769040117. The next prime is 7955769040133. The reversal of 7955769040129 is 9210409675597.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7955769040129 - 2¹⁹ = 7955768515841 is a prime.

It is a super-2 number, since 2×7955769040129² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7955769040169) 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, 2308695039 + ... + 2308698484.

It is an arithmetic number, because the mean of its divisors is an integer number (1990096608844).

Almost surely, 2^{7955769040129} is an apocalyptic number.

It is an amenable number.

7955769040129 is a deficient number, since it is larger than the sum of its proper divisors (4617395247).

7955769040129 is a wasteful number, since it uses less digits than its factorization.

7955769040129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617395246.

The product of its (nonzero) digits is 42865200, while the sum is 64.

The spelling of 7955769040129 in words is "seven trillion, nine hundred fifty-five billion, seven hundred sixty-nine million, forty thousand, one hundred twenty-nine".