2516424379491 has 16 divisors (see below), whose sum is σ = 3660282460800. Its totient is φ = 1525093677120.

The previous prime is 2516424379459. The next prime is 2516424379531. The reversal of 2516424379491 is 1949734246152.

It is not a de Polignac number, because 2516424379491 - 2⁵ = 2516424379459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2516424379291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5812660 + ... + 6230558.

It is an arithmetic number, because the mean of its divisors is an integer number (228767653800).

Almost surely, 2^{2516424379491} is an apocalyptic number.

2516424379491 is a deficient number, since it is larger than the sum of its proper divisors (1143858081309).

2516424379491 is a wasteful number, since it uses less digits than its factorization.

2516424379491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600386.

The product of its digits is 13063680, while the sum is 57.

The spelling of 2516424379491 in words is "two trillion, five hundred sixteen billion, four hundred twenty-four million, three hundred seventy-nine thousand, four hundred ninety-one".