2478633969 has 16 divisors (see below), whose sum is σ = 3777704960. Its totient is φ = 1416085200.

The previous prime is 2478633827. The next prime is 2478633977. The reversal of 2478633969 is 9693368742.

It is not a de Polignac number, because 2478633969 - 2¹² = 2478629873 is a prime.

It is a super-2 number, since 2×2478633969² = 12287252704561385922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2478633169) 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, 152694 + ... + 168144.

It is an arithmetic number, because the mean of its divisors is an integer number (236106560).

Almost surely, 2^2478633969 is an apocalyptic number.

It is an amenable number.

2478633969 is a deficient number, since it is larger than the sum of its proper divisors (1299070991).

2478633969 is a wasteful number, since it uses less digits than its factorization.

2478633969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23100.

The product of its digits is 11757312, while the sum is 57.

The square root of 2478633969 is about 49785.8812214869. The cubic root of 2478633969 is about 1353.3313189578.

The spelling of 2478633969 in words is "two billion, four hundred seventy-eight million, six hundred thirty-three thousand, nine hundred sixty-nine".