11362642639 has 4 divisors (see below), whose sum is σ = 11437892080. Its totient is φ = 11287393200.

The previous prime is 11362642607. The next prime is 11362642649. The reversal of 11362642639 is 93624626311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93624626311 = 41 ⋅2283527471.

It is a cyclic number.

It is not a de Polignac number, because 11362642639 - 2⁵ = 11362642607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11362642595 and 11362642604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11362642649) 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, 37624494 + ... + 37624795.

It is an arithmetic number, because the mean of its divisors is an integer number (2859473020).

Almost surely, 2^11362642639 is an apocalyptic number.

11362642639 is a deficient number, since it is larger than the sum of its proper divisors (75249441).

11362642639 is an equidigital number, since it uses as much as digits as its factorization.

11362642639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75249440.

The product of its digits is 279936, while the sum is 43.

The spelling of 11362642639 in words is "eleven billion, three hundred sixty-two million, six hundred forty-two thousand, six hundred thirty-nine".