2638412305 has 8 divisors (see below), whose sum is σ = 3171384000. Its totient is φ = 2107203696.

The previous prime is 2638412297. The next prime is 2638412347. The reversal of 2638412305 is 5032148362.

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 2638412305 - 2³ = 2638412297 is a prime.

It is a super-2 number, since 2×2638412305² = 13922438982350826050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437475 + ... + 443464.

It is an arithmetic number, because the mean of its divisors is an integer number (396423000).

Almost surely, 2^2638412305 is an apocalyptic number.

It is an amenable number.

2638412305 is a deficient number, since it is larger than the sum of its proper divisors (532971695).

2638412305 is an equidigital number, since it uses as much as digits as its factorization.

2638412305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881543.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2638412305 is about 51365.4777550058. The cubic root of 2638412305 is about 1381.8075287145.

The spelling of 2638412305 in words is "two billion, six hundred thirty-eight million, four hundred twelve thousand, three hundred five".