1361725448447 has 32 divisors (see below), whose sum is σ = 1698137978880. Its totient is φ = 1063173496320.

The previous prime is 1361725448429. The next prime is 1361725448449. The reversal of 1361725448447 is 7448445271631.

It is a happy number.

It is not a de Polignac number, because 1361725448447 - 2¹⁴ = 1361725432063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1361725448392 and 1361725448401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361725448449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12966983 + ... + 13071575.

It is an arithmetic number, because the mean of its divisors is an integer number (53066811840).

Almost surely, 2^{1361725448447} is an apocalyptic number.

1361725448447 is a deficient number, since it is larger than the sum of its proper divisors (336412530433).

1361725448447 is a wasteful number, since it uses less digits than its factorization.

1361725448447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106503.

The product of its digits is 18063360, while the sum is 56.

The spelling of 1361725448447 in words is "one trillion, three hundred sixty-one billion, seven hundred twenty-five million, four hundred forty-eight thousand, four hundred forty-seven".