1456634646149 has 2 divisors, whose sum is σ = 1456634646150. Its totient is φ = 1456634646148.

The previous prime is 1456634646139. The next prime is 1456634646227. The reversal of 1456634646149 is 9416464366541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1444520341924 + 12114304225 = 1201882^2 + 110065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1456634646149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1456634646119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728317323074 + 728317323075.

It is an arithmetic number, because the mean of its divisors is an integer number (728317323075).

Almost surely, 2^{1456634646149} is an apocalyptic number.

It is an amenable number.

1456634646149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456634646149 is an equidigital number, since it uses as much as digits as its factorization.

1456634646149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44789760, while the sum is 59.

The spelling of 1456634646149 in words is "one trillion, four hundred fifty-six billion, six hundred thirty-four million, six hundred forty-six thousand, one hundred forty-nine".