785747250133 has 2 divisors, whose sum is σ = 785747250134. Its totient is φ = 785747250132.

The previous prime is 785747250053. The next prime is 785747250139. The reversal of 785747250133 is 331052747587.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 619216331409 + 166530918724 = 786903^2 + 408082^2 .

It is a cyclic number.

It is not a de Polignac number, because 785747250133 - 2¹⁷ = 785747119061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (785747250139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392873625066 + 392873625067.

It is an arithmetic number, because the mean of its divisors is an integer number (392873625067).

Almost surely, 2^785747250133 is an apocalyptic number.

It is an amenable number.

785747250133 is a deficient number, since it is larger than the sum of its proper divisors (1).

785747250133 is an equidigital number, since it uses as much as digits as its factorization.

785747250133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 785747250133 in words is "seven hundred eighty-five billion, seven hundred forty-seven million, two hundred fifty thousand, one hundred thirty-three".