129645011379 has 16 divisors (see below), whose sum is σ = 186187734432. Its totient is φ = 79768347648.

The previous prime is 129645011351. The next prime is 129645011381. The reversal of 129645011379 is 973110546921.

It is not a de Polignac number, because 129645011379 - 2¹⁵ = 129644978611 is a prime.

It is a super-2 number, since 2×129645011379² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (129645011339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33492 + ... + 510305.

It is an arithmetic number, because the mean of its divisors is an integer number (11636733402).

Almost surely, 2^129645011379 is an apocalyptic number.

129645011379 is a deficient number, since it is larger than the sum of its proper divisors (56542723053).

129645011379 is a wasteful number, since it uses less digits than its factorization.

129645011379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549926.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 129645011379 in words is "one hundred twenty-nine billion, six hundred forty-five million, eleven thousand, three hundred seventy-nine".