2913690661 has 8 divisors (see below), whose sum is σ = 3330258624. Its totient is φ = 2497204320.

The previous prime is 2913690653. The next prime is 2913690701. The reversal of 2913690661 is 1660963192.

2913690661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2913690661 - 2³ = 2913690653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2913690361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132546 + ... + 152956.

It is an arithmetic number, because the mean of its divisors is an integer number (416282328).

Almost surely, 2^2913690661 is an apocalyptic number.

It is an amenable number.

2913690661 is a deficient number, since it is larger than the sum of its proper divisors (416567963).

2913690661 is a wasteful number, since it uses less digits than its factorization.

2913690661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40811.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 2913690661 is about 53978.6129962599. The cubic root of 2913690661 is about 1428.2837023977.

The spelling of 2913690661 in words is "two billion, nine hundred thirteen million, six hundred ninety thousand, six hundred sixty-one".