2951656845 has 16 divisors (see below), whose sum is σ = 4745038272. Its totient is φ = 1566754560.

The previous prime is 2951656819. The next prime is 2951656901. The reversal of 2951656845 is 5486561592.

It is a happy number.

It is not a de Polignac number, because 2951656845 - 2⁷ = 2951656717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463132 + ... + 469461.

It is an arithmetic number, because the mean of its divisors is an integer number (296564892).

Almost surely, 2^2951656845 is an apocalyptic number.

It is an amenable number.

2951656845 is a deficient number, since it is larger than the sum of its proper divisors (1793381427).

2951656845 is a wasteful number, since it uses less digits than its factorization.

2951656845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932812.

The product of its digits is 2592000, while the sum is 51.

The square root of 2951656845 is about 54329.1528095184. The cubic root of 2951656845 is about 1434.4605927916.

The spelling of 2951656845 in words is "two billion, nine hundred fifty-one million, six hundred fifty-six thousand, eight hundred forty-five".