620613614452 has 72 divisors (see below), whose sum is σ = 1193743188792. Its totient is φ = 282155328000.

The previous prime is 620613614449. The next prime is 620613614501. The reversal of 620613614452 is 254416316026.

It can be written as a sum of positive squares in 12 ways, for example, as 106071370596 + 514542243856 = 325686^2 + 717316^2 .

It is a super-2 number, since 2×620613614452² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13427302 + ... + 13473442.

It is an arithmetic number, because the mean of its divisors is an integer number (16579766511).

Almost surely, 2^620613614452 is an apocalyptic number.

It is an amenable number.

620613614452 is a deficient number, since it is larger than the sum of its proper divisors (573129574340).

620613614452 is a wasteful number, since it uses less digits than its factorization.

620613614452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46469 (or 46454 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 620613614452 in words is "six hundred twenty billion, six hundred thirteen million, six hundred fourteen thousand, four hundred fifty-two".