1626442234013 has 8 divisors (see below), whose sum is σ = 1754608049208. Its totient is φ = 1501886723584.

The previous prime is 1626442234009. The next prime is 1626442234033. The reversal of 1626442234013 is 3104322446261.

It can be written as a sum of positive squares in 4 ways, for example, as 138535073209 + 1487907160804 = 372203^2 + 1219798^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1626442234013 - 2² = 1626442234009 is a prime.

It is a super-3 number, since 3×1626442234013³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1626442234033) 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, 902575256 + ... + 902577057.

It is an arithmetic number, because the mean of its divisors is an integer number (219326006151).

Almost surely, 2^{1626442234013} is an apocalyptic number.

It is an amenable number.

1626442234013 is a deficient number, since it is larger than the sum of its proper divisors (128165815195).

1626442234013 is a wasteful number, since it uses less digits than its factorization.

1626442234013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805152383.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 1626442234013 in words is "one trillion, six hundred twenty-six billion, four hundred forty-two million, two hundred thirty-four thousand, thirteen".