129846491325 has 72 divisors (see below), whose sum is σ = 235916212896. Its totient is φ = 68261040000.

The previous prime is 129846491297. The next prime is 129846491339. The reversal of 129846491325 is 523194648921.

It is a happy number.

129846491325 is a `hidden beast` number, since 1 + 2 + 98 + 46 + 491 + 3 + 25 = 666.

It is not a de Polignac number, because 129846491325 - 2⁷ = 129846491197 is a prime.

It is a super-2 number, since 2×129846491325² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5145990 + ... + 5171160.

It is an arithmetic number, because the mean of its divisors is an integer number (3276614068).

Almost surely, 2^129846491325 is an apocalyptic number.

129846491325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

129846491325 is a deficient number, since it is larger than the sum of its proper divisors (106069721571).

129846491325 is a wasteful number, since it uses less digits than its factorization.

129846491325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25515 (or 25507 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 129846491325 in words is "one hundred twenty-nine billion, eight hundred forty-six million, four hundred ninety-one thousand, three hundred twenty-five".