620291362251 has 16 divisors (see below), whose sum is σ = 933353775360. Its totient is φ = 362970911520.

The previous prime is 620291362241. The next prime is 620291362253. The reversal of 620291362251 is 152263192026.

620291362251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 620291362251 - 2²⁹ = 619754491339 is a prime.

It is a super-2 number, since 2×620291362251² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (620291362253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324080215 + ... + 324082128.

It is an arithmetic number, because the mean of its divisors is an integer number (58334610960).

Almost surely, 2^620291362251 is an apocalyptic number.

620291362251 is a deficient number, since it is larger than the sum of its proper divisors (313062413109).

620291362251 is a wasteful number, since it uses less digits than its factorization.

620291362251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648162386.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 620291362251 in words is "six hundred twenty billion, two hundred ninety-one million, three hundred sixty-two thousand, two hundred fifty-one".