129981150497 has 16 divisors (see below), whose sum is σ = 142086389760. Its totient is φ = 117924229200.

The previous prime is 129981150437. The next prime is 129981150499. The reversal of 129981150497 is 794051189921.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 129981150497 - 2²⁴ = 129964373281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129981150499) 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, 23755472 + ... + 23760942.

It is an arithmetic number, because the mean of its divisors is an integer number (8880399360).

Almost surely, 2^129981150497 is an apocalyptic number.

It is an amenable number.

129981150497 is a deficient number, since it is larger than the sum of its proper divisors (12105239263).

129981150497 is a wasteful number, since it uses less digits than its factorization.

129981150497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9484.

The product of its (nonzero) digits is 1632960, while the sum is 56.

The spelling of 129981150497 in words is "one hundred twenty-nine billion, nine hundred eighty-one million, one hundred fifty thousand, four hundred ninety-seven".