938990070225 has 27 divisors (see below), whose sum is σ = 1681861582609. Its totient is φ = 500786952000.

The previous prime is 938990070223. The next prime is 938990070257. The reversal of 938990070225 is 522070099839.

The square root of 938990070225 is 969015.

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

It can be written as a sum of positive squares in 4 ways, for example, as 97125099201 + 841864971024 = 311649^2 + 917532^2 .

It is not a de Polignac number, because 938990070225 - 2¹ = 938990070223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (938990070223) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 14502925 + ... + 14567525.

Almost surely, 2^938990070225 is an apocalyptic number.

938990070225 is the 969015-th square number.

938990070225 is the 484508-th centered octagonal number.

It is an amenable number.

938990070225 is a deficient number, since it is larger than the sum of its proper divisors (742871512384).

938990070225 is an frugal number, since it uses more digits than its factorization.

938990070225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129218 (or 64609 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 938990070225 in words is "nine hundred thirty-eight billion, nine hundred ninety million, seventy thousand, two hundred twenty-five".