46990128931 has 4 divisors (see below), whose sum is σ = 47064598864. Its totient is φ = 46915659000.

The previous prime is 46990128929. The next prime is 46990128947. The reversal of 46990128931 is 13982109964.

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 46990128931 - 2¹ = 46990128929 is a prime.

It is a super-2 number, since 2×46990128931² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46990123931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37234020 + ... + 37235281.

It is an arithmetic number, because the mean of its divisors is an integer number (11766149716).

Almost surely, 2^46990128931 is an apocalyptic number.

46990128931 is a deficient number, since it is larger than the sum of its proper divisors (74469933).

46990128931 is an equidigital number, since it uses as much as digits as its factorization.

46990128931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74469932.

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

The spelling of 46990128931 in words is "forty-six billion, nine hundred ninety million, one hundred twenty-eight thousand, nine hundred thirty-one".