725020022069 has 6 divisors (see below), whose sum is σ = 843390637974. Its totient is φ = 621445733160.

The previous prime is 725020022059. The next prime is 725020022107. The reversal of 725020022069 is 960220020527.

It can be written as a sum of positive squares in only one way, i.e., 475506784900 + 249513237169 = 689570^2 + 499513^2 .

It is not a de Polignac number, because 725020022069 - 2¹² = 725020017973 is a prime.

It is a super-2 number, since 2×725020022069² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725020022029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7398163442 + ... + 7398163539.

It is an arithmetic number, because the mean of its divisors is an integer number (140565106329).

Almost surely, 2^725020022069 is an apocalyptic number.

It is an amenable number.

725020022069 is a deficient number, since it is larger than the sum of its proper divisors (118370615905).

725020022069 is a wasteful number, since it uses less digits than its factorization.

725020022069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14796326995 (or 14796326988 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 725020022069 in words is "seven hundred twenty-five billion, twenty million, twenty-two thousand, sixty-nine".