13250233481 has 2 divisors, whose sum is σ = 13250233482. Its totient is φ = 13250233480.

The previous prime is 13250233397. The next prime is 13250233501. The reversal of 13250233481 is 18433205231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11703777856 + 1546455625 = 108184^2 + 39325^2 .

It is a cyclic number.

It is not a de Polignac number, because 13250233481 - 2¹⁸ = 13249971337 is a prime.

It is a super-2 number, since 2×13250233481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13250233681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6625116740 + 6625116741.

It is an arithmetic number, because the mean of its divisors is an integer number (6625116741).

Almost surely, 2^13250233481 is an apocalyptic number.

It is an amenable number.

13250233481 is a deficient number, since it is larger than the sum of its proper divisors (1).

13250233481 is an equidigital number, since it uses as much as digits as its factorization.

13250233481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 13250233481 in words is "thirteen billion, two hundred fifty million, two hundred thirty-three thousand, four hundred eighty-one".