2113622531626 has 4 divisors (see below), whose sum is σ = 3170433797442. Its totient is φ = 1056811265812.

The previous prime is 2113622531599. The next prime is 2113622531701. The reversal of 2113622531626 is 6261352263112.

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., 1509814275025 + 603808256601 = 1228745^2 + 777051^2 .

It is a super-3 number, since 3×2113622531626³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528405632905 + ... + 528405632908.

Almost surely, 2^{2113622531626} is an apocalyptic number.

2113622531626 is a deficient number, since it is larger than the sum of its proper divisors (1056811265816).

2113622531626 is a wasteful number, since it uses less digits than its factorization.

2113622531626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056811265815.

The product of its digits is 155520, while the sum is 40.

Adding to 2113622531626 its reverse (6261352263112), we get a palindrome (8374974794738).

The spelling of 2113622531626 in words is "two trillion, one hundred thirteen billion, six hundred twenty-two million, five hundred thirty-one thousand, six hundred twenty-six".