1202446897957 has 2 divisors, whose sum is σ = 1202446897958. Its totient is φ = 1202446897956.

The previous prime is 1202446897919. The next prime is 1202446898021. The reversal of 1202446897957 is 7597986442021.

It is an a-pointer prime, because the next prime (1202446898021) can be obtained adding 1202446897957 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1193499440676 + 8947457281 = 1092474^2 + 94591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202446897957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202446897357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601223448978 + 601223448979.

It is an arithmetic number, because the mean of its divisors is an integer number (601223448979).

Almost surely, 2^{1202446897957} is an apocalyptic number.

It is an amenable number.

1202446897957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202446897957 is an equidigital number, since it uses as much as digits as its factorization.

1202446897957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 1202446897957 in words is "one trillion, two hundred two billion, four hundred forty-six million, eight hundred ninety-seven thousand, nine hundred fifty-seven".