1457660032249 has 2 divisors, whose sum is σ = 1457660032250. Its totient is φ = 1457660032248.

The previous prime is 1457660032099. The next prime is 1457660032259. The reversal of 1457660032249 is 9422300667541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1041256976400 + 416403055849 = 1020420^2 + 645293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1457660032249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1457660032259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728830016124 + 728830016125.

It is an arithmetic number, because the mean of its divisors is an integer number (728830016125).

Almost surely, 2^{1457660032249} is an apocalyptic number.

It is an amenable number.

1457660032249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457660032249 is an equidigital number, since it uses as much as digits as its factorization.

1457660032249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 1457660032249 in words is "one trillion, four hundred fifty-seven billion, six hundred sixty million, thirty-two thousand, two hundred forty-nine".