4975610991 has 16 divisors (see below), whose sum is σ = 7145770464. Its totient is φ = 3061355904.

The previous prime is 4975610987. The next prime is 4975611013. The reversal of 4975610991 is 1990165794.

It is not a de Polignac number, because 4975610991 - 2² = 4975610987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4975610291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337425 + ... + 351861.

It is an arithmetic number, because the mean of its divisors is an integer number (446610654).

Almost surely, 2^4975610991 is an apocalyptic number.

4975610991 is a deficient number, since it is larger than the sum of its proper divisors (2170159473).

4975610991 is a wasteful number, since it uses less digits than its factorization.

4975610991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23290.

The product of its (nonzero) digits is 612360, while the sum is 51.

The square root of 4975610991 is about 70538.0109657198. The cubic root of 4975610991 is about 1707.1911058725.

The spelling of 4975610991 in words is "four billion, nine hundred seventy-five million, six hundred ten thousand, nine hundred ninety-one".