975992049 has 24 divisors (see below), whose sum is σ = 1498147560. Its totient is φ = 610149888.

The previous prime is 975992041. The next prime is 975992089. The reversal of 975992049 is 940299579.

975992049 is a `hidden beast` number, since 9 + 7 + 599 + 2 + 0 + 49 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 313290000 + 662702049 = 17700^2 + 25743^2 .

It is not a de Polignac number, because 975992049 - 2³ = 975992041 is a prime.

It is a super-2 number, since 2×975992049² = 1905120959422436802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 975991986 and 975992004.

It is not an unprimeable number, because it can be changed into a prime (975992041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30867 + ... + 53895.

It is an arithmetic number, because the mean of its divisors is an integer number (62422815).

Almost surely, 2^975992049 is an apocalyptic number.

It is an amenable number.

975992049 is a deficient number, since it is larger than the sum of its proper divisors (522155511).

975992049 is a wasteful number, since it uses less digits than its factorization.

975992049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23329 (or 23326 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The square root of 975992049 is about 31240.8714507134. The cubic root of 975992049 is about 991.9324391559.

The spelling of 975992049 in words is "nine hundred seventy-five million, nine hundred ninety-two thousand, forty-nine".