7750725149 has 2 divisors, whose sum is σ = 7750725150. Its totient is φ = 7750725148.

The previous prime is 7750725139. The next prime is 7750725161. The reversal of 7750725149 is 9415270577.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6981772249 + 768952900 = 83557^2 + 27730^2 .

It is an emirp because it is prime and its reverse (9415270577) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7750725149 - 2¹⁶ = 7750659613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7750725139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3875362574 + 3875362575.

It is an arithmetic number, because the mean of its divisors is an integer number (3875362575).

Almost surely, 2^7750725149 is an apocalyptic number.

It is an amenable number.

7750725149 is a deficient number, since it is larger than the sum of its proper divisors (1).

7750725149 is an equidigital number, since it uses as much as digits as its factorization.

7750725149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 617400, while the sum is 47.

The square root of 7750725149 is about 88038.2027815198. The cubic root of 7750725149 is about 1979.0075246603.

The spelling of 7750725149 in words is "seven billion, seven hundred fifty million, seven hundred twenty-five thousand, one hundred forty-nine".