914140964191 has 16 divisors (see below), whose sum is σ = 1126835587584. Its totient is φ = 722158428384.

The previous prime is 914140964189. The next prime is 914140964201. The reversal of 914140964191 is 191469041419.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 914140964191 - 2¹ = 914140964189 is a prime.

It is a super-2 number, since 2×914140964191² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (914140964491) 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, 7704265 + ... + 7822018.

It is an arithmetic number, because the mean of its divisors is an integer number (70427224224).

Almost surely, 2^914140964191 is an apocalyptic number.

914140964191 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

914140964191 is a deficient number, since it is larger than the sum of its proper divisors (212694623393).

914140964191 is a wasteful number, since it uses less digits than its factorization.

914140964191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15526950.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 914140964191 in words is "nine hundred fourteen billion, one hundred forty million, nine hundred sixty-four thousand, one hundred ninety-one".