902649161009 has 2 divisors, whose sum is σ = 902649161010. Its totient is φ = 902649161008.

The previous prime is 902649160957. The next prime is 902649161021. The reversal of 902649161009 is 900161946209.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 568859875984 + 333789285025 = 754228^2 + 577745^2 .

It is a cyclic number.

It is not a de Polignac number, because 902649161009 - 2³² = 898354193713 is a prime.

It is not a weakly prime, because it can be changed into another prime (902649161809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451324580504 + 451324580505.

It is an arithmetic number, because the mean of its divisors is an integer number (451324580505).

Almost surely, 2^902649161009 is an apocalyptic number.

It is an amenable number.

902649161009 is a deficient number, since it is larger than the sum of its proper divisors (1).

902649161009 is an equidigital number, since it uses as much as digits as its factorization.

902649161009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 902649161009 in words is "nine hundred two billion, six hundred forty-nine million, one hundred sixty-one thousand, nine".