85914560749 has 2 divisors, whose sum is σ = 85914560750. Its totient is φ = 85914560748.

The previous prime is 85914560741. The next prime is 85914560773. The reversal of 85914560749 is 94706541958.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84510559849 + 1404000900 = 290707^2 + 37470^2 .

It is a cyclic number.

It is not a de Polignac number, because 85914560749 - 2³ = 85914560741 is a prime.

It is a super-2 number, since 2×85914560749² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85914560693 and 85914560702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85914560741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42957280374 + 42957280375.

It is an arithmetic number, because the mean of its divisors is an integer number (42957280375).

Almost surely, 2^85914560749 is an apocalyptic number.

It is an amenable number.

85914560749 is a deficient number, since it is larger than the sum of its proper divisors (1).

85914560749 is an equidigital number, since it uses as much as digits as its factorization.

85914560749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 85914560749 in words is "eighty-five billion, nine hundred fourteen million, five hundred sixty thousand, seven hundred forty-nine".