13801332947 has 2 divisors, whose sum is σ = 13801332948. Its totient is φ = 13801332946.

The previous prime is 13801332929. The next prime is 13801332967. The reversal of 13801332947 is 74923310831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13801332947 - 2⁸ = 13801332691 is a prime.

It is a super-2 number, since 2×13801332947² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13801332967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6900666473 + 6900666474.

It is an arithmetic number, because the mean of its divisors is an integer number (6900666474).

Almost surely, 2^13801332947 is an apocalyptic number.

13801332947 is a deficient number, since it is larger than the sum of its proper divisors (1).

13801332947 is an equidigital number, since it uses as much as digits as its factorization.

13801332947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 13801332947 in words is "thirteen billion, eight hundred one million, three hundred thirty-two thousand, nine hundred forty-seven".