2623433994634 has 4 divisors (see below), whose sum is σ = 3935150991954. Its totient is φ = 1311716997316.

The previous prime is 2623433994551. The next prime is 2623433994637. The reversal of 2623433994634 is 4364993343262.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1905352319025 + 718081675609 = 1380345^2 + 847397^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2623433994637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655858498657 + ... + 655858498660.

Almost surely, 2^{2623433994634} is an apocalyptic number.

2623433994634 is a deficient number, since it is larger than the sum of its proper divisors (1311716997320).

2623433994634 is a wasteful number, since it uses less digits than its factorization.

2623433994634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311716997319.

The product of its digits is 60466176, while the sum is 58.

The spelling of 2623433994634 in words is "two trillion, six hundred twenty-three billion, four hundred thirty-three million, nine hundred ninety-four thousand, six hundred thirty-four".