900648739069 has 2 divisors, whose sum is σ = 900648739070. Its totient is φ = 900648739068.

The previous prime is 900648739057. The next prime is 900648739093. The reversal of 900648739069 is 960937846009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460233344025 + 440415395044 = 678405^2 + 663638^2 .

It is a cyclic number.

It is not a de Polignac number, because 900648739069 - 2⁹ = 900648738557 is a prime.

It is a super-2 number, since 2×900648739069² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 900648738998 and 900648739016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900648739049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450324369534 + 450324369535.

It is an arithmetic number, because the mean of its divisors is an integer number (450324369535).

Almost surely, 2^900648739069 is an apocalyptic number.

It is an amenable number.

900648739069 is a deficient number, since it is larger than the sum of its proper divisors (1).

900648739069 is an equidigital number, since it uses as much as digits as its factorization.

900648739069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17635968, while the sum is 61.

The spelling of 900648739069 in words is "nine hundred billion, six hundred forty-eight million, seven hundred thirty-nine thousand, sixty-nine".