626309658055 has 16 divisors (see below), whose sum is σ = 769096991520. Its totient is φ = 489365549568.

The previous prime is 626309658049. The next prime is 626309658059. The reversal of 626309658055 is 550856903626.

It is a de Polignac number, because none of the positive numbers 2^k-626309658055 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 626309657987 and 626309658005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626309658059) 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, 3840211 + ... + 3999979.

It is an arithmetic number, because the mean of its divisors is an integer number (48068561970).

Almost surely, 2^626309658055 is an apocalyptic number.

626309658055 is a deficient number, since it is larger than the sum of its proper divisors (142787333465).

626309658055 is a wasteful number, since it uses less digits than its factorization.

626309658055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178050.

The product of its (nonzero) digits is 11664000, while the sum is 55.

The spelling of 626309658055 in words is "six hundred twenty-six billion, three hundred nine million, six hundred fifty-eight thousand, fifty-five".