13829851531 has 2 divisors, whose sum is σ = 13829851532. Its totient is φ = 13829851530.

The previous prime is 13829851507. The next prime is 13829851547. The reversal of 13829851531 is 13515892831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13829851531 - 2²¹ = 13827754379 is a prime.

It is a super-2 number, since 2×13829851531² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13829851561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6914925765 + 6914925766.

It is an arithmetic number, because the mean of its divisors is an integer number (6914925766).

Almost surely, 2^13829851531 is an apocalyptic number.

13829851531 is a deficient number, since it is larger than the sum of its proper divisors (1).

13829851531 is an equidigital number, since it uses as much as digits as its factorization.

13829851531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 46.

The spelling of 13829851531 in words is "thirteen billion, eight hundred twenty-nine million, eight hundred fifty-one thousand, five hundred thirty-one".