626055020421 has 8 divisors (see below), whose sum is σ = 836133585600. Its totient is φ = 416673234432.

The previous prime is 626055020399. The next prime is 626055020443. The reversal of 626055020421 is 124020550626.

It is an interprime number because it is at equal distance from previous prime (626055020399) and next prime (626055020443).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 626055020421 - 2¹⁴ = 626055004037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626055020491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174192700 + ... + 174196293.

It is an arithmetic number, because the mean of its divisors is an integer number (104516698200).

Almost surely, 2^626055020421 is an apocalyptic number.

It is an amenable number.

626055020421 is a deficient number, since it is larger than the sum of its proper divisors (210078565179).

626055020421 is a wasteful number, since it uses less digits than its factorization.

626055020421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348389595.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 626055020421 in words is "six hundred twenty-six billion, fifty-five million, twenty thousand, four hundred twenty-one".