2638223704634 has 32 divisors (see below), whose sum is σ = 4569834205440. Its totient is φ = 1118878806528.

The previous prime is 2638223704607. The next prime is 2638223704639. The reversal of 2638223704634 is 4364073228362.

It is not an unprimeable number, because it can be changed into a prime (2638223704639) 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, 11849612 + ... + 12070200.

It is an arithmetic number, because the mean of its divisors is an integer number (142807318920).

Almost surely, 2^{2638223704634} is an apocalyptic number.

2638223704634 is a deficient number, since it is larger than the sum of its proper divisors (1931610500806).

2638223704634 is a wasteful number, since it uses less digits than its factorization.

2638223704634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229502.

The product of its (nonzero) digits is 6967296, while the sum is 50.

The spelling of 2638223704634 in words is "two trillion, six hundred thirty-eight billion, two hundred twenty-three million, seven hundred four thousand, six hundred thirty-four".