626122874407061 has 4 divisors (see below), whose sum is σ = 626303365293900. Its totient is φ = 625942383520224.

The previous prime is 626122874406979. The next prime is 626122874407073. The reversal of 626122874407061 is 160704478221626.

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

It can be written as a sum of positive squares in 2 ways, for example, as 363512584792036 + 262610289615025 = 19066006^2 + 16205255^2 .

It is a cyclic number.

It is not a de Polignac number, because 626122874407061 - 2¹⁰ = 626122874406037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 626122874406988 and 626122874407006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626122874407081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90245438216 + ... + 90245445153.

It is an arithmetic number, because the mean of its divisors is an integer number (156575841323475).

Almost surely, 2^{626122874407061} is an apocalyptic number.

It is an amenable number.

626122874407061 is a deficient number, since it is larger than the sum of its proper divisors (180490886839).

626122874407061 is a wasteful number, since it uses less digits than its factorization.

626122874407061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180490886838.

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 626122874407061 in words is "six hundred twenty-six trillion, one hundred twenty-two billion, eight hundred seventy-four million, four hundred seven thousand, sixty-one".