4959389953665 has 48 divisors (see below), whose sum is σ = 10188178885248. Its totient is φ = 2267149689216.

The previous prime is 4959389953621. The next prime is 4959389953723. The reversal of 4959389953665 is 5663599839594.

4959389953665 is a `hidden beast` number, since 4 + 9 + 5 + 93 + 89 + 95 + 366 + 5 = 666.

It is not a de Polignac number, because 4959389953665 - 2¹¹ = 4959389951617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291548812 + ... + 291565821.

It is an arithmetic number, because the mean of its divisors is an integer number (212253726776).

Almost surely, 2^{4959389953665} is an apocalyptic number.

4959389953665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4959389953665 is an abundant number, since it is smaller than the sum of its proper divisors (5228788931583).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4959389953665 is an equidigital number, since it uses as much as digits as its factorization.

4959389953665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583114660 (or 583114648 counting only the distinct ones).

The product of its digits is 8503056000, while the sum is 81.

The spelling of 4959389953665 in words is "four trillion, nine hundred fifty-nine billion, three hundred eighty-nine million, nine hundred fifty-three thousand, six hundred sixty-five".