69850261264 has 45 divisors (see below), whose sum is σ = 157447052487. Its totient is φ = 29932654752.

The previous prime is 69850261219. The next prime is 69850261291. The reversal of 69850261264 is 46216205896.

The square root of 69850261264 is 264292.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7395457 + ... + 7404895.

Almost surely, 2^69850261264 is an apocalyptic number.

69850261264 is the 264292-nd square number.

It is an amenable number.

69850261264 is an abundant number, since it is smaller than the sum of its proper divisors (87596791223).

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

69850261264 is an frugal number, since it uses more digits than its factorization.

69850261264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18900 (or 9448 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

Multiplying 69850261264 by its sum of digits (49), we get a square (3422662801936 = 1850044²).

69850261264 divided by its sum of digits (49) gives a square (1425515536 = 37756²).

The spelling of 69850261264 in words is "sixty-nine billion, eight hundred fifty million, two hundred sixty-one thousand, two hundred sixty-four".