2975066991 has 24 divisors (see below), whose sum is σ = 4679897040. Its totient is φ = 1810233216.

The previous prime is 2975066989. The next prime is 2975067001. The reversal of 2975066991 is 1996605792.

It is not a de Polignac number, because 2975066991 - 2¹ = 2975066989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2975066891) 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, 132441 + ... + 153266.

It is an arithmetic number, because the mean of its divisors is an integer number (194995710).

Almost surely, 2^2975066991 is an apocalyptic number.

2975066991 is a deficient number, since it is larger than the sum of its proper divisors (1704830049).

2975066991 is a wasteful number, since it uses less digits than its factorization.

2975066991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285815 (or 285812 counting only the distinct ones).

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

The square root of 2975066991 is about 54544.1746752117. The cubic root of 2975066991 is about 1438.2429365048.

The spelling of 2975066991 in words is "two billion, nine hundred seventy-five million, sixty-six thousand, nine hundred ninety-one".