1456381949269 has 4 divisors (see below), whose sum is σ = 1568411329996. Its totient is φ = 1344352568544.

The previous prime is 1456381949263. The next prime is 1456381949299. The reversal of 1456381949269 is 9629491836541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 338526148900 + 1117855800369 = 581830^2 + 1057287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1456381949269 - 2³ = 1456381949261 is a prime.

It is a super-2 number, since 2×1456381949269² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456381949261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56014690344 + ... + 56014690369.

It is an arithmetic number, because the mean of its divisors is an integer number (392102832499).

Almost surely, 2^{1456381949269} is an apocalyptic number.

It is an amenable number.

1456381949269 is a deficient number, since it is larger than the sum of its proper divisors (112029380727).

1456381949269 is a wasteful number, since it uses less digits than its factorization.

1456381949269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112029380726.

The product of its digits is 100776960, while the sum is 67.

The spelling of 1456381949269 in words is "one trillion, four hundred fifty-six billion, three hundred eighty-one million, nine hundred forty-nine thousand, two hundred sixty-nine".