620467404659 has 16 divisors (see below), whose sum is σ = 658192231296. Its totient is φ = 582879897600.

The previous prime is 620467404631. The next prime is 620467404671. The reversal of 620467404659 is 956404764026.

It is a de Polignac number, because none of the positive numbers 2^k-620467404659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620467404659.

It is not an unprimeable number, because it can be changed into a prime (620467434659) 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, 21063089 + ... + 21092525.

It is an arithmetic number, because the mean of its divisors is an integer number (41137014456).

Almost surely, 2^620467404659 is an apocalyptic number.

620467404659 is a deficient number, since it is larger than the sum of its proper divisors (37724826637).

620467404659 is a wasteful number, since it uses less digits than its factorization.

620467404659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31726.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 620467404659 in words is "six hundred twenty billion, four hundred sixty-seven million, four hundred four thousand, six hundred fifty-nine".