531400513994 has 8 divisors (see below), whose sum is σ = 910972309728. Its totient is φ = 227743077420.

The previous prime is 531400513993. The next prime is 531400514009. The reversal of 531400513994 is 499315004135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (531400513993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18978589772 + ... + 18978589799.

It is an arithmetic number, because the mean of its divisors is an integer number (113871538716).

Almost surely, 2^531400513994 is an apocalyptic number.

531400513994 is a deficient number, since it is larger than the sum of its proper divisors (379571795734).

531400513994 is a wasteful number, since it uses less digits than its factorization.

531400513994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37957179580.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 531400513994 in words is "five hundred thirty-one billion, four hundred million, five hundred thirteen thousand, nine hundred ninety-four".