14879190091 has 4 divisors (see below), whose sum is σ = 14880083400. Its totient is φ = 14878296784.

The previous prime is 14879190049. The next prime is 14879190097. The reversal of 14879190091 is 19009197841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14879190091 - 2¹³ = 14879181899 is a prime.

It is a super-2 number, since 2×14879190091² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14879190097) 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, 421186 + ... + 455143.

It is an arithmetic number, because the mean of its divisors is an integer number (3720020850).

Almost surely, 2^14879190091 is an apocalyptic number.

14879190091 is a deficient number, since it is larger than the sum of its proper divisors (893309).

14879190091 is an equidigital number, since it uses as much as digits as its factorization.

14879190091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893308.

The product of its (nonzero) digits is 163296, while the sum is 49.

The spelling of 14879190091 in words is "fourteen billion, eight hundred seventy-nine million, one hundred ninety thousand, ninety-one".