10147911639 has 4 divisors (see below), whose sum is σ = 13530548856. Its totient is φ = 6765274424.

The previous prime is 10147911619. The next prime is 10147911661. The reversal of 10147911639 is 93611974101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93611974101 = 3 ⋅31203991367.

It is a cyclic number.

It is not a de Polignac number, because 10147911639 - 2⁷ = 10147911511 is a prime.

It is a super-2 number, since 2×10147911639² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10147911639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10147911619) 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, 1691318604 + ... + 1691318609.

It is an arithmetic number, because the mean of its divisors is an integer number (3382637214).

Almost surely, 2^10147911639 is an apocalyptic number.

10147911639 is a deficient number, since it is larger than the sum of its proper divisors (3382637217).

10147911639 is an equidigital number, since it uses as much as digits as its factorization.

10147911639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382637216.

The product of its (nonzero) digits is 40824, while the sum is 42.

The spelling of 10147911639 in words is "ten billion, one hundred forty-seven million, nine hundred eleven thousand, six hundred thirty-nine".