1373458465457 has 8 divisors (see below), whose sum is σ = 1507016836584. Its totient is φ = 1243886911488.

The previous prime is 1373458465447. The next prime is 1373458465469. The reversal of 1373458465457 is 7545648543731.

It can be written as a sum of positive squares in 4 ways, for example, as 1458552481 + 1371999912976 = 38191^2 + 1171324^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1373458465457 - 2⁴ = 1373458465441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1373458465457.

It is not an unprimeable number, because it can be changed into a prime (1373458465417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996703568 + ... + 996704945.

It is an arithmetic number, because the mean of its divisors is an integer number (188377104573).

Almost surely, 2^{1373458465457} is an apocalyptic number.

It is an amenable number.

1373458465457 is a deficient number, since it is larger than the sum of its proper divisors (133558371127).

1373458465457 is a wasteful number, since it uses less digits than its factorization.

1373458465457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993408579.

The product of its digits is 169344000, while the sum is 62.

The spelling of 1373458465457 in words is "one trillion, three hundred seventy-three billion, four hundred fifty-eight million, four hundred sixty-five thousand, four hundred fifty-seven".