620695683 has 16 divisors (see below), whose sum is σ = 944403360. Its totient is φ = 402612768.

The previous prime is 620695661. The next prime is 620695709. The reversal of 620695683 is 386596026.

It is a happy number.

620695683 is a `hidden beast` number, since 6 + 20 + 69 + 568 + 3 = 666.

It is not a de Polignac number, because 620695683 - 2¹³ = 620687491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620691683) 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, 309660 + ... + 311657.

It is an arithmetic number, because the mean of its divisors is an integer number (59025210).

Almost surely, 2^620695683 is an apocalyptic number.

620695683 is a deficient number, since it is larger than the sum of its proper divisors (323707677).

620695683 is a wasteful number, since it uses less digits than its factorization.

620695683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621363 (or 621357 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 620695683 is about 24913.7649302549. The cubic root of 620695683 is about 853.0207093382.

The spelling of 620695683 in words is "six hundred twenty million, six hundred ninety-five thousand, six hundred eighty-three".