11914342690 has 32 divisors (see below), whose sum is σ = 21676636800. Its totient is φ = 4714541184.

The previous prime is 11914342663. The next prime is 11914342697. The reversal of 11914342690 is 9624341911.

It is a super-2 number, since 2×11914342690² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11914342697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1074957 + ... + 1085983.

It is an arithmetic number, because the mean of its divisors is an integer number (677394900).

Almost surely, 2^11914342690 is an apocalyptic number.

11914342690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11914342690 is a deficient number, since it is larger than the sum of its proper divisors (9762294110).

11914342690 is a wasteful number, since it uses less digits than its factorization.

11914342690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12186.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 11914342690 in words is "eleven billion, nine hundred fourteen million, three hundred forty-two thousand, six hundred ninety".