2311453386439 has 32 divisors (see below), whose sum is σ = 2420222207040. Its totient is φ = 2205598574592.

The previous prime is 2311453386433. The next prime is 2311453386443. The reversal of 2311453386439 is 9346833541132.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2311453386439 - 2¹¹ = 2311453384391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311453386433) 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, 376884817 + ... + 376890949.

It is an arithmetic number, because the mean of its divisors is an integer number (75631943970).

Almost surely, 2^{2311453386439} is an apocalyptic number.

2311453386439 is a deficient number, since it is larger than the sum of its proper divisors (108768820601).

2311453386439 is a wasteful number, since it uses less digits than its factorization.

2311453386439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219.

The product of its digits is 5598720, while the sum is 52.

The spelling of 2311453386439 in words is "two trillion, three hundred eleven billion, four hundred fifty-three million, three hundred eighty-six thousand, four hundred thirty-nine".