919484930131 has 4 divisors (see below), whose sum is σ = 919599744600. Its totient is φ = 919370115664.

The previous prime is 919484930099. The next prime is 919484930179. The reversal of 919484930131 is 131039484919.

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

It is a cyclic number.

It is not a de Polignac number, because 919484930131 - 2⁵ = 919484930099 is a prime.

It is a super-2 number, since 2×919484930131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (919484930531) 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, 57395221 + ... + 57411238.

It is an arithmetic number, because the mean of its divisors is an integer number (229899936150).

Almost surely, 2^919484930131 is an apocalyptic number.

919484930131 is a deficient number, since it is larger than the sum of its proper divisors (114814469).

919484930131 is a wasteful number, since it uses less digits than its factorization.

919484930131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114814468.

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 919484930131 in words is "nine hundred nineteen billion, four hundred eighty-four million, nine hundred thirty thousand, one hundred thirty-one".