2638412319 has 8 divisors (see below), whose sum is σ = 3554150320. Its totient is φ = 1740807936.

The previous prime is 2638412297. The next prime is 2638412347. The reversal of 2638412319 is 9132148362.

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

It is not a de Polignac number, because 2638412319 - 2¹³ = 2638404127 is a prime.

It is a super-2 number, since 2×2638412319² = 13922439130101915522, 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 (2638412419) 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, 4533064 + ... + 4533645.

It is an arithmetic number, because the mean of its divisors is an integer number (444268790).

Almost surely, 2^2638412319 is an apocalyptic number.

2638412319 is a deficient number, since it is larger than the sum of its proper divisors (915738001).

2638412319 is an equidigital number, since it uses as much as digits as its factorization.

2638412319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9066809.

The product of its digits is 62208, while the sum is 39.

The square root of 2638412319 is about 51365.4778912841. The cubic root of 2638412319 is about 1381.8075311586.

The spelling of 2638412319 in words is "two billion, six hundred thirty-eight million, four hundred twelve thousand, three hundred nineteen".