91397141119 has 4 divisors (see below), whose sum is σ = 91417679640. Its totient is φ = 91376602600.

The previous prime is 91397141047. The next prime is 91397141137. The reversal of 91397141119 is 91114179319.

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 91397141119 - 2¹³ = 91397132927 is a prime.

It is a super-2 number, since 2×91397141119² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91397141149) 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, 10262584 + ... + 10271485.

It is an arithmetic number, because the mean of its divisors is an integer number (22854419910).

Almost surely, 2^91397141119 is an apocalyptic number.

91397141119 is a deficient number, since it is larger than the sum of its proper divisors (20538521).

91397141119 is a wasteful number, since it uses less digits than its factorization.

91397141119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20538520.

The product of its digits is 61236, while the sum is 46.

The spelling of 91397141119 in words is "ninety-one billion, three hundred ninety-seven million, one hundred forty-one thousand, one hundred nineteen".