2479861951 has 8 divisors (see below), whose sum is σ = 2851516544. Its totient is φ = 2112554520.

The previous prime is 2479861933. The next prime is 2479862003. The reversal of 2479861951 is 1591689742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2479861951 - 2⁷ = 2479861823 is a prime.

It is a super-2 number, since 2×2479861951² = 12299430592035052802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2479061951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085565 + ... + 1087846.

It is an arithmetic number, because the mean of its divisors is an integer number (356439568).

Almost surely, 2^2479861951 is an apocalyptic number.

2479861951 is a deficient number, since it is larger than the sum of its proper divisors (371654593).

2479861951 is a wasteful number, since it uses less digits than its factorization.

2479861951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173581.

The product of its digits is 1088640, while the sum is 52.

The square root of 2479861951 is about 49798.2123273517. The cubic root of 2479861951 is about 1353.5547743169.

The spelling of 2479861951 in words is "two billion, four hundred seventy-nine million, eight hundred sixty-one thousand, nine hundred fifty-one".