53869221690 has 64 divisors (see below), whose sum is σ = 130585665024. Its totient is φ = 14220922688.

The previous prime is 53869221689. The next prime is 53869221713. The reversal of 53869221690 is 9612296835.

It is a super-2 number, since 2×53869221690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5346037 + ... + 5356103.

It is an arithmetic number, because the mean of its divisors is an integer number (2040401016).

Almost surely, 2^53869221690 is an apocalyptic number.

53869221690 is an abundant number, since it is smaller than the sum of its proper divisors (76716443334).

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

53869221690 is a wasteful number, since it uses less digits than its factorization.

53869221690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11851.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 53869221690 in words is "fifty-three billion, eight hundred sixty-nine million, two hundred twenty-one thousand, six hundred ninety".