2151476679 has 24 divisors (see below), whose sum is σ = 3261872880. Its totient is φ = 1258956160.

The previous prime is 2151476627. The next prime is 2151476683. The reversal of 2151476679 is 9766741512.

2151476679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2151476679 - 2¹⁵ = 2151443911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151476689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91662 + ... + 112715.

It is an arithmetic number, because the mean of its divisors is an integer number (135911370).

Almost surely, 2^2151476679 is an apocalyptic number.

2151476679 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2151476679 is a deficient number, since it is larger than the sum of its proper divisors (1110396201).

2151476679 is a wasteful number, since it uses less digits than its factorization.

2151476679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204431 (or 204420 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The square root of 2151476679 is about 46384.0131834234. The cubic root of 2151476679 is about 1290.9583006117.

The spelling of 2151476679 in words is "two billion, one hundred fifty-one million, four hundred seventy-six thousand, six hundred seventy-nine".