1651650313 has 2 divisors, whose sum is σ = 1651650314. Its totient is φ = 1651650312.

The previous prime is 1651650269. The next prime is 1651650323. The reversal of 1651650313 is 3130561561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1528262649 + 123387664 = 39093^2 + 11108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1651650313 - 2²¹ = 1649553161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1651650323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825825156 + 825825157.

It is an arithmetic number, because the mean of its divisors is an integer number (825825157).

Almost surely, 2^1651650313 is an apocalyptic number.

It is an amenable number.

1651650313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1651650313 is an equidigital number, since it uses as much as digits as its factorization.

1651650313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1651650313 is about 40640.5008950431. The cubic root of 1651650313 is about 1182.0595824974.

The spelling of 1651650313 in words is "one billion, six hundred fifty-one million, six hundred fifty thousand, three hundred thirteen".