2991768801 has 32 divisors (see below), whose sum is σ = 4730781696. Its totient is φ = 1645704000.

The previous prime is 2991768799. The next prime is 2991768809. The reversal of 2991768801 is 1088671992.

It is not a de Polignac number, because 2991768801 - 2¹ = 2991768799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2991768809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112311 + ... + 136371.

It is an arithmetic number, because the mean of its divisors is an integer number (147836928).

Almost surely, 2^2991768801 is an apocalyptic number.

2991768801 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2991768801 is a deficient number, since it is larger than the sum of its proper divisors (1739012895).

2991768801 is a wasteful number, since it uses less digits than its factorization.

2991768801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24293.

The product of its (nonzero) digits is 435456, while the sum is 51.

The square root of 2991768801 is about 54697.0639157167. The cubic root of 2991768801 is about 1440.9293128454.

The spelling of 2991768801 in words is "two billion, nine hundred ninety-one million, seven hundred sixty-eight thousand, eight hundred one".