14001503981 has 2 divisors, whose sum is σ = 14001503982. Its totient is φ = 14001503980.

The previous prime is 14001503969. The next prime is 14001504019. The reversal of 14001503981 is 18930510041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8993677225 + 5007826756 = 94835^2 + 70766^2 .

It is a cyclic number.

It is not a de Polignac number, because 14001503981 - 2¹⁴ = 14001487597 is a prime.

It is a super-2 number, since 2×14001503981² (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 (14001503381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7000751990 + 7000751991.

It is an arithmetic number, because the mean of its divisors is an integer number (7000751991).

Almost surely, 2^14001503981 is an apocalyptic number.

It is an amenable number.

14001503981 is a deficient number, since it is larger than the sum of its proper divisors (1).

14001503981 is an equidigital number, since it uses as much as digits as its factorization.

14001503981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 14001503981 in words is "fourteen billion, one million, five hundred three thousand, nine hundred eighty-one".