13745854731 has 32 divisors (see below), whose sum is σ = 21172011520. Its totient is φ = 7770276864.

The previous prime is 13745854693. The next prime is 13745854777.

13745854731 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13745854731 - 2¹⁰ = 13745853707 is a prime.

It is a super-2 number, since 2×13745854731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13745854231) 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, 1536036 + ... + 1544958.

It is an arithmetic number, because the mean of its divisors is an integer number (661625360).

Almost surely, 2^13745854731 is an apocalyptic number.

13745854731 is a deficient number, since it is larger than the sum of its proper divisors (7426156789).

13745854731 is a wasteful number, since it uses less digits than its factorization.

13745854731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9715.

The product of its digits is 1411200, while the sum is 48.

The spelling of 13745854731 in words is "thirteen billion, seven hundred forty-five million, eight hundred fifty-four thousand, seven hundred thirty-one".