91928372153 has 2 divisors, whose sum is σ = 91928372154. Its totient is φ = 91928372152.

The previous prime is 91928372099. The next prime is 91928372161. The reversal of 91928372153 is 35127382919.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72429880384 + 19498491769 = 269128^2 + 139637^2 .

It is a cyclic number.

It is not a de Polignac number, because 91928372153 - 2¹⁴ = 91928355769 is a prime.

It is not a weakly prime, because it can be changed into another prime (91928372183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45964186076 + 45964186077.

It is an arithmetic number, because the mean of its divisors is an integer number (45964186077).

Almost surely, 2^91928372153 is an apocalyptic number.

It is an amenable number.

91928372153 is a deficient number, since it is larger than the sum of its proper divisors (1).

91928372153 is an equidigital number, since it uses as much as digits as its factorization.

91928372153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 50.

The spelling of 91928372153 in words is "ninety-one billion, nine hundred twenty-eight million, three hundred seventy-two thousand, one hundred fifty-three".