1456438694641 has 16 divisors (see below), whose sum is σ = 1754272598400. Its totient is φ = 1181210041728.

The previous prime is 1456438694639. The next prime is 1456438694653. The reversal of 1456438694641 is 1464968346541.

It is a cyclic number.

It is not a de Polignac number, because 1456438694641 - 2¹ = 1456438694639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1456438694641.

It is not an unprimeable number, because it can be changed into a prime (1456438694941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6660430 + ... + 6875623.

It is an arithmetic number, because the mean of its divisors is an integer number (109642037400).

Almost surely, 2^{1456438694641} is an apocalyptic number.

It is an amenable number.

1456438694641 is a deficient number, since it is larger than the sum of its proper divisors (297833903759).

1456438694641 is a wasteful number, since it uses less digits than its factorization.

1456438694641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13536888.

The product of its digits is 59719680, while the sum is 61.

The spelling of 1456438694641 in words is "one trillion, four hundred fifty-six billion, four hundred thirty-eight million, six hundred ninety-four thousand, six hundred forty-one".