1957065896147 has 2 divisors, whose sum is σ = 1957065896148. Its totient is φ = 1957065896146.

The previous prime is 1957065896143. The next prime is 1957065896213. The reversal of 1957065896147 is 7416985607591.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1957065896147 - 2² = 1957065896143 is a prime.

It is not a weakly prime, because it can be changed into another prime (1957065896143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978532948073 + 978532948074.

It is an arithmetic number, because the mean of its divisors is an integer number (978532948074).

Almost surely, 2^{1957065896147} is an apocalyptic number.

1957065896147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1957065896147 is an equidigital number, since it uses as much as digits as its factorization.

1957065896147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 114307200, while the sum is 68.

The spelling of 1957065896147 in words is "one trillion, nine hundred fifty-seven billion, sixty-five million, eight hundred ninety-six thousand, one hundred forty-seven".