620308282451451 has 32 divisors (see below), whose sum is σ = 906988456090368. Its totient is φ = 373979701223040.

The previous prime is 620308282451441. The next prime is 620308282451491. The reversal of 620308282451451 is 154154282803026.

It is not a de Polignac number, because 620308282451451 - 2⁶ = 620308282451387 is a prime.

It is a super-2 number, since 2×620308282451451² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 620308282451394 and 620308282451403.

It is not an unprimeable number, because it can be changed into a prime (620308282451401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25046616 + ... + 43219781.

It is an arithmetic number, because the mean of its divisors is an integer number (28343389252824).

Almost surely, 2^{620308282451451} is an apocalyptic number.

620308282451451 is a deficient number, since it is larger than the sum of its proper divisors (286680173638917).

620308282451451 is a wasteful number, since it uses less digits than its factorization.

620308282451451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68267851.

The product of its (nonzero) digits is 3686400, while the sum is 51.

The spelling of 620308282451451 in words is "six hundred twenty trillion, three hundred eight billion, two hundred eighty-two million, four hundred fifty-one thousand, four hundred fifty-one".