612547431916 has 24 divisors (see below), whose sum is σ = 1225125929216. Its totient is φ = 262513671120.

The previous prime is 612547431911. The next prime is 612547431967. The reversal of 612547431916 is 619134745216.

It is a self number, because there is not a number n which added to its sum of digits gives 612547431916.

It is not an unprimeable number, because it can be changed into a prime (612547431911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940351 + ... + 1452361.

Almost surely, 2^612547431916 is an apocalyptic number.

It is an amenable number.

612547431916 is an abundant number, since it is smaller than the sum of its proper divisors (612578497300).

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

612547431916 is a wasteful number, since it uses less digits than its factorization.

612547431916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554749 (or 554747 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The spelling of 612547431916 in words is "six hundred twelve billion, five hundred forty-seven million, four hundred thirty-one thousand, nine hundred sixteen".