612353259264 has 108 divisors (see below), whose sum is σ = 1684023274248. Its totient is φ = 197533071360.

The previous prime is 612353259239. The next prime is 612353259283. The reversal of 612353259264 is 462952353216.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323202 + ... + 1152894.

Almost surely, 2^612353259264 is an apocalyptic number.

612353259264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612353259264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842011637124).

612353259264 is an abundant number, since it is smaller than the sum of its proper divisors (1071670014984).

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

612353259264 is an equidigital number, since it uses as much as digits as its factorization.

612353259264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829774 (or 829729 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 48.

The spelling of 612353259264 in words is "six hundred twelve billion, three hundred fifty-three million, two hundred fifty-nine thousand, two hundred sixty-four".