626739094994 has 4 divisors (see below), whose sum is σ = 940108642494. Its totient is φ = 313369547496.

The previous prime is 626739094981. The next prime is 626739095011. The reversal of 626739094994 is 499490937626.

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., 540058902769 + 86680192225 = 734887^2 + 294415^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156684773747 + ... + 156684773750.

Almost surely, 2^626739094994 is an apocalyptic number.

626739094994 is a deficient number, since it is larger than the sum of its proper divisors (313369547500).

626739094994 is a wasteful number, since it uses less digits than its factorization.

626739094994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313369547499.

The product of its (nonzero) digits is 158723712, while the sum is 68.

The spelling of 626739094994 in words is "six hundred twenty-six billion, seven hundred thirty-nine million, ninety-four thousand, nine hundred ninety-four".