6412990825 has 12 divisors (see below), whose sum is σ = 7955889228. Its totient is φ = 5127953600.

The previous prime is 6412990807. The next prime is 6412990867. The reversal of 6412990825 is 5280992146.

It can be written as a sum of positive squares in 6 ways, for example, as 161874729 + 6251116096 = 12723^2 + 79064^2 .

It is not a de Polignac number, because 6412990825 - 2¹⁹ = 6412466537 is a prime.

It is a super-2 number, since 2×6412990825² = 82252902643068361250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6382 + ... + 113431.

It is an arithmetic number, because the mean of its divisors is an integer number (662990769).

Almost surely, 2^6412990825 is an apocalyptic number.

It is an amenable number.

6412990825 is a deficient number, since it is larger than the sum of its proper divisors (1542898403).

6412990825 is a wasteful number, since it uses less digits than its factorization.

6412990825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121964 (or 121959 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 6412990825 is about 80081.1514964664. The cubic root of 6412990825 is about 1857.8908941993.

The spelling of 6412990825 in words is "six billion, four hundred twelve million, nine hundred ninety thousand, eight hundred twenty-five".