2401926891 has 32 divisors (see below), whose sum is σ = 4048171008. Its totient is φ = 1232703360.

The previous prime is 2401926871. The next prime is 2401926893. The reversal of 2401926891 is 1986291042.

It is not a de Polignac number, because 2401926891 - 2⁵ = 2401926859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2401926893) 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, 108795 + ... + 128996.

It is an arithmetic number, because the mean of its divisors is an integer number (126505344).

Almost surely, 2^2401926891 is an apocalyptic number.

2401926891 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2401926891 is a deficient number, since it is larger than the sum of its proper divisors (1646244117).

2401926891 is a wasteful number, since it uses less digits than its factorization.

2401926891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237851.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 2401926891 is about 49009.4571587974. The cubic root of 2401926891 is about 1339.2241166272.

The spelling of 2401926891 in words is "two billion, four hundred one million, nine hundred twenty-six thousand, eight hundred ninety-one".