514491781512 has 32 divisors (see below), whose sum is σ = 1310497937280. Its totient is φ = 168261462720.

The previous prime is 514491781501. The next prime is 514491781547. The reversal of 514491781512 is 215187194415.

It is a super-2 number, since 2×514491781512² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202236064 + ... + 202238607.

It is an arithmetic number, because the mean of its divisors is an integer number (40953060540).

Almost surely, 2^514491781512 is an apocalyptic number.

It is an amenable number.

514491781512 is an abundant number, since it is smaller than the sum of its proper divisors (796006155768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

514491781512 is a wasteful number, since it uses less digits than its factorization.

514491781512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404474733 (or 404474729 counting only the distinct ones).

The product of its digits is 403200, while the sum is 48.

The spelling of 514491781512 in words is "five hundred fourteen billion, four hundred ninety-one million, seven hundred eighty-one thousand, five hundred twelve".