2479492561 has 48 divisors (see below), whose sum is σ = 3224686080. Its totient is φ = 1887701760.

The previous prime is 2479492537. The next prime is 2479492583. The reversal of 2479492561 is 1652949742.

It is a happy number.

It is not a de Polignac number, because 2479492561 - 2³¹ = 332008913 is a prime.

It is a super-2 number, since 2×2479492561² = 12295766720108677442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (2479492361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6062125 + ... + 6062533.

It is an arithmetic number, because the mean of its divisors is an integer number (67180960).

Almost surely, 2^2479492561 is an apocalyptic number.

It is an amenable number.

2479492561 is a deficient number, since it is larger than the sum of its proper divisors (745193519).

2479492561 is a wasteful number, since it uses less digits than its factorization.

2479492561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 767 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 2479492561 is about 49794.5033211498. The cubic root of 2479492561 is about 1353.4875643356.

The spelling of 2479492561 in words is "two billion, four hundred seventy-nine million, four hundred ninety-two thousand, five hundred sixty-one".