2492155513 has 4 divisors (see below), whose sum is σ = 2578091940. Its totient is φ = 2406219088.

The previous prime is 2492155499. The next prime is 2492155543. The reversal of 2492155513 is 3155512942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 437981184 + 2054174329 = 20928^2 + 45323^2 .

It is not a de Polignac number, because 2492155513 - 2⁵ = 2492155481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2492155543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42968170 + ... + 42968227.

It is an arithmetic number, because the mean of its divisors is an integer number (644522985).

Almost surely, 2^2492155513 is an apocalyptic number.

It is an amenable number.

2492155513 is a deficient number, since it is larger than the sum of its proper divisors (85936427).

2492155513 is an equidigital number, since it uses as much as digits as its factorization.

2492155513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85936426.

The product of its digits is 54000, while the sum is 37.

The square root of 2492155513 is about 49921.4934972903. The cubic root of 2492155513 is about 1355.7877733737.

The spelling of 2492155513 in words is "two billion, four hundred ninety-two million, one hundred fifty-five thousand, five hundred thirteen".