9045812249731 has 2 divisors, whose sum is σ = 9045812249732. Its totient is φ = 9045812249730.

The previous prime is 9045812249717. The next prime is 9045812249767. The reversal of 9045812249731 is 1379422185409.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9045812249731 - 2³³ = 9037222315139 is a prime.

It is a super-2 number, since 2×9045812249731² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9045812241731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4522906124865 + 4522906124866.

It is an arithmetic number, because the mean of its divisors is an integer number (4522906124866).

Almost surely, 2^{9045812249731} is an apocalyptic number.

9045812249731 is a deficient number, since it is larger than the sum of its proper divisors (1).

9045812249731 is an equidigital number, since it uses as much as digits as its factorization.

9045812249731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 9045812249731 in words is "nine trillion, forty-five billion, eight hundred twelve million, two hundred forty-nine thousand, seven hundred thirty-one".