91946292245 has 6 divisors (see below), whose sum is σ = 110336364342. Its totient is φ = 73556491368.

The previous prime is 91946292233. The next prime is 91946292311. The reversal of 91946292245 is 54229264919.

It can be written as a sum of positive squares in only one way, i.e., 73557033796 + 18389258449 = 271214^2 + 135607^2 .

It is not a de Polignac number, because 91946292245 - 2¹⁰ = 91946291221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610232 + ... + 745838.

It is an arithmetic number, because the mean of its divisors is an integer number (18389394057).

Almost surely, 2^91946292245 is an apocalyptic number.

It is an amenable number.

91946292245 is a deficient number, since it is larger than the sum of its proper divisors (18390072097).

91946292245 is an frugal number, since it uses more digits than its factorization.

91946292245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271219 (or 135612 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The spelling of 91946292245 in words is "ninety-one billion, nine hundred forty-six million, two hundred ninety-two thousand, two hundred forty-five".