7312085149 has 2 divisors, whose sum is σ = 7312085150. Its totient is φ = 7312085148.

The previous prime is 7312085117. The next prime is 7312085161. The reversal of 7312085149 is 9415802137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6963068025 + 349017124 = 83445^2 + 18682^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312085149 - 2⁵ = 7312085117 is a prime.

It is a super-3 number, since 3×7312085149³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7312088149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656042574 + 3656042575.

It is an arithmetic number, because the mean of its divisors is an integer number (3656042575).

Almost surely, 2^7312085149 is an apocalyptic number.

It is an amenable number.

7312085149 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312085149 is an equidigital number, since it uses as much as digits as its factorization.

7312085149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 7312085149 is about 85510.7311920557. The cubic root of 7312085149 is about 1940.9473133230.

The spelling of 7312085149 in words is "seven billion, three hundred twelve million, eighty-five thousand, one hundred forty-nine".