68453154431 has 16 divisors (see below), whose sum is σ = 73263153600. Its totient is φ = 63730851840.

The previous prime is 68453154383. The next prime is 68453154437. The reversal of 68453154431 is 13445135486.

It is a cyclic number.

It is not a de Polignac number, because 68453154431 - 2¹⁰ = 68453153407 is a prime.

It is a super-2 number, since 2×68453154431² (a number of 22 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 (68453154437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3752270 + ... + 3770468.

It is an arithmetic number, because the mean of its divisors is an integer number (4578947100).

Almost surely, 2^68453154431 is an apocalyptic number.

68453154431 is a deficient number, since it is larger than the sum of its proper divisors (4809999169).

68453154431 is a wasteful number, since it uses less digits than its factorization.

68453154431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20594.

The product of its digits is 691200, while the sum is 44.

The spelling of 68453154431 in words is "sixty-eight billion, four hundred fifty-three million, one hundred fifty-four thousand, four hundred thirty-one".