13462033721 has 2 divisors, whose sum is σ = 13462033722. Its totient is φ = 13462033720.

The previous prime is 13462033649. The next prime is 13462033747. The reversal of 13462033721 is 12733026431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10396861225 + 3065172496 = 101965^2 + 55364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13462033721 is a prime.

It is a super-2 number, since 2×13462033721² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13462033621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6731016860 + 6731016861.

It is an arithmetic number, because the mean of its divisors is an integer number (6731016861).

Almost surely, 2^13462033721 is an apocalyptic number.

It is an amenable number.

13462033721 is a deficient number, since it is larger than the sum of its proper divisors (1).

13462033721 is an equidigital number, since it uses as much as digits as its factorization.

13462033721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 13462033721 in words is "thirteen billion, four hundred sixty-two million, thirty-three thousand, seven hundred twenty-one".