13762738721 has 2 divisors, whose sum is σ = 13762738722. Its totient is φ = 13762738720.

The previous prime is 13762738621. The next prime is 13762738727. The reversal of 13762738721 is 12783726731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8790937600 + 4971801121 = 93760^2 + 70511^2 .

It is a cyclic number.

It is not a de Polignac number, because 13762738721 - 2¹⁰ = 13762737697 is a prime.

It is not a weakly prime, because it can be changed into another prime (13762738727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6881369360 + 6881369361.

It is an arithmetic number, because the mean of its divisors is an integer number (6881369361).

Almost surely, 2^13762738721 is an apocalyptic number.

It is an amenable number.

13762738721 is a deficient number, since it is larger than the sum of its proper divisors (1).

13762738721 is an equidigital number, since it uses as much as digits as its factorization.

13762738721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 47.

The spelling of 13762738721 in words is "thirteen billion, seven hundred sixty-two million, seven hundred thirty-eight thousand, seven hundred twenty-one".