2638183347073 has 4 divisors (see below), whose sum is σ = 2669968688688. Its totient is φ = 2606398005460.

The previous prime is 2638183347049. The next prime is 2638183347097. The reversal of 2638183347073 is 3707433818362.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2638183347049) and next prime (2638183347097).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2638183347073 is a prime.

It is a super-2 number, since 2×2638183347073² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2638183347673) 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, 15892670683 + ... + 15892670848.

It is an arithmetic number, because the mean of its divisors is an integer number (667492172172).

Almost surely, 2^{2638183347073} is an apocalyptic number.

It is an amenable number.

2638183347073 is a deficient number, since it is larger than the sum of its proper divisors (31785341615).

2638183347073 is an equidigital number, since it uses as much as digits as its factorization.

2638183347073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31785341614.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 2638183347073 in words is "two trillion, six hundred thirty-eight billion, one hundred eighty-three million, three hundred forty-seven thousand, seventy-three".