91674592849225 has 27 divisors (see below), whose sum is σ = 114347713352383. Its totient is φ = 72909158143040.

The previous prime is 91674592849159. The next prime is 91674592849249. The reversal of 91674592849225 is 52294829547619.

It is a happy number.

The square root of 91674592849225 is 9574685.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 58221371265849 + 33453221583376 = 7630293^2 + 5783876^2 .

It is not a de Polignac number, because 91674592849225 - 2¹¹ = 91674592847177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8282096991 + ... + 8282108059.

Almost surely, 2^{91674592849225} is an apocalyptic number.

91674592849225 is the 9574685-th square number.

91674592849225 is the 4787343-rd centered octagonal number.

It is an amenable number.

91674592849225 is a deficient number, since it is larger than the sum of its proper divisors (22673120503158).

91674592849225 is an frugal number, since it uses more digits than its factorization.

91674592849225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22494 (or 11247 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 73.

The spelling of 91674592849225 in words is "ninety-one trillion, six hundred seventy-four billion, five hundred ninety-two million, eight hundred forty-nine thousand, two hundred twenty-five".