1372144913 has 2 divisors, whose sum is σ = 1372144914. Its totient is φ = 1372144912.

The previous prime is 1372144897. The next prime is 1372144933. The reversal of 1372144913 is 3194412731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1347770944 + 24373969 = 36712^2 + 4937^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372144913 - 2⁴ = 1372144897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1372144933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686072456 + 686072457.

It is an arithmetic number, because the mean of its divisors is an integer number (686072457).

Almost surely, 2^1372144913 is an apocalyptic number.

It is an amenable number.

1372144913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372144913 is an equidigital number, since it uses as much as digits as its factorization.

1372144913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 1372144913 is about 37042.4744448856. The cubic root of 1372144913 is about 1111.2198566074.

The spelling of 1372144913 in words is "one billion, three hundred seventy-two million, one hundred forty-four thousand, nine hundred thirteen".