626406973089 has 16 divisors (see below), whose sum is σ = 852237957120. Its totient is φ = 409171024080.

The previous prime is 626406973037. The next prime is 626406973151. The reversal of 626406973089 is 980379604626.

626406973089 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 626406973089 - 2¹¹ = 626406971041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (626406973589) 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, 10056997 + ... + 10119090.

It is an arithmetic number, because the mean of its divisors is an integer number (53264872320).

Almost surely, 2^626406973089 is an apocalyptic number.

It is an amenable number.

626406973089 is a deficient number, since it is larger than the sum of its proper divisors (225830984031).

626406973089 is a wasteful number, since it uses less digits than its factorization.

626406973089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20176300.

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 626406973089 in words is "six hundred twenty-six billion, four hundred six million, nine hundred seventy-three thousand, eighty-nine".