9090379252 has 6 divisors (see below), whose sum is σ = 15908163698. Its totient is φ = 4545189624.

The previous prime is 9090379241. The next prime is 9090379253. The reversal of 9090379252 is 2529730909.

It can be written as a sum of positive squares in only one way, i.e., 5762935396 + 3327443856 = 75914^2 + 57684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9090379253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136297403 + ... + 1136297410.

Almost surely, 2^9090379252 is an apocalyptic number.

It is an amenable number.

9090379252 is a deficient number, since it is larger than the sum of its proper divisors (6817784446).

9090379252 is a wasteful number, since it uses less digits than its factorization.

9090379252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272594817 (or 2272594815 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 9090379252 is about 95343.4803853939. The cubic root of 9090379252 is about 2087.0234753523.

The spelling of 9090379252 in words is "nine billion, ninety million, three hundred seventy-nine thousand, two hundred fifty-two".