13831924261 has 2 divisors, whose sum is σ = 13831924262. Its totient is φ = 13831924260.

The previous prime is 13831924241. The next prime is 13831924297. The reversal of 13831924261 is 16242913831.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12029921761 + 1802002500 = 109681^2 + 42450^2 .

It is a cyclic number.

It is not a de Polignac number, because 13831924261 - 2¹³ = 13831916069 is a prime.

It is a super-2 number, since 2×13831924261² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13831924201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6915962130 + 6915962131.

It is an arithmetic number, because the mean of its divisors is an integer number (6915962131).

Almost surely, 2^13831924261 is an apocalyptic number.

It is an amenable number.

13831924261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13831924261 is an equidigital number, since it uses as much as digits as its factorization.

13831924261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The spelling of 13831924261 in words is "thirteen billion, eight hundred thirty-one million, nine hundred twenty-four thousand, two hundred sixty-one".