2671434638 has 16 divisors (see below), whose sum is σ = 4244244480. Its totient is φ = 1256737536.

The previous prime is 2671434617. The next prime is 2671434643. The reversal of 2671434638 is 8364341762.

It is a congruent number.

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, 110858 + ... + 132786.

It is an arithmetic number, because the mean of its divisors is an integer number (265265280).

Almost surely, 2^2671434638 is an apocalyptic number.

2671434638 is a deficient number, since it is larger than the sum of its proper divisors (1572809842).

2671434638 is a wasteful number, since it uses less digits than its factorization.

2671434638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25531.

The product of its digits is 580608, while the sum is 44.

The square root of 2671434638 is about 51685.9230158464. The cubic root of 2671434638 is about 1387.5485382798.

The spelling of 2671434638 in words is "two billion, six hundred seventy-one million, four hundred thirty-four thousand, six hundred thirty-eight".