1456321952149 has 2 divisors, whose sum is σ = 1456321952150. Its totient is φ = 1456321952148.

The previous prime is 1456321952147. The next prime is 1456321952167. The reversal of 1456321952149 is 9412591236541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 976031371249 + 480290580900 = 987943^2 + 693030^2 .

It is a cyclic number.

It is not a de Polignac number, because 1456321952149 - 2¹ = 1456321952147 is a prime.

It is a super-2 number, since 2×1456321952149² (a number of 25 digits) contains 22 as substring.

Together with 1456321952147, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1456321952096 and 1456321952105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1456321952147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728160976074 + 728160976075.

It is an arithmetic number, because the mean of its divisors is an integer number (728160976075).

Almost surely, 2^{1456321952149} is an apocalyptic number.

It is an amenable number.

1456321952149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456321952149 is an equidigital number, since it uses as much as digits as its factorization.

1456321952149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 52.

The spelling of 1456321952149 in words is "one trillion, four hundred fifty-six billion, three hundred twenty-one million, nine hundred fifty-two thousand, one hundred forty-nine".