91934137901 has 8 divisors (see below), whose sum is σ = 94160188320. Its totient is φ = 89712089712.

The previous prime is 91934137891. The next prime is 91934137921. The reversal of 91934137901 is 10973143919.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91934137901 - 2¹⁸ = 91933875757 is a prime.

It is a Duffinian number.

91934137901 is a modest number, since divided by 137901 gives 91934 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91934137921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954035 + ... + 1045968.

It is an arithmetic number, because the mean of its divisors is an integer number (11770023540).

Almost surely, 2^91934137901 is an apocalyptic number.

It is an amenable number.

91934137901 is a deficient number, since it is larger than the sum of its proper divisors (2226050419).

91934137901 is a wasteful number, since it uses less digits than its factorization.

91934137901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001115.

The product of its (nonzero) digits is 183708, while the sum is 47.

The spelling of 91934137901 in words is "ninety-one billion, nine hundred thirty-four million, one hundred thirty-seven thousand, nine hundred one".