613721470026720 has 192 divisors, whose sum is σ = 2128318494382080. Its totient is φ = 147415999334400.

The previous prime is 613721470026719. The next prime is 613721470026757. The reversal of 613721470026720 is 27620074127316.

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

It is a self number, because there is not a number n which added to its sum of digits gives 613721470026720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 532613136 + ... + 533764175.

It is an arithmetic number, because the mean of its divisors is an integer number (11084992158240).

Almost surely, 2^{613721470026720} is an apocalyptic number.

613721470026720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

613721470026720 is an abundant number, since it is smaller than the sum of its proper divisors (1514597024355360).

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

613721470026720 is a wasteful number, since it uses less digits than its factorization.

613721470026720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066377449 (or 1066377441 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 613721470026720 in words is "six hundred thirteen trillion, seven hundred twenty-one billion, four hundred seventy million, twenty-six thousand, seven hundred twenty".