13374391837 has 2 divisors, whose sum is σ = 13374391838. Its totient is φ = 13374391836.

The previous prime is 13374391799. The next prime is 13374391847. The reversal of 13374391837 is 73819347331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7288207641 + 6086184196 = 85371^2 + 78014^2 .

It is an emirp because it is prime and its reverse (73819347331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13374391837 is a prime.

It is a super-2 number, since 2×13374391837² (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 (13374391847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6687195918 + 6687195919.

It is an arithmetic number, because the mean of its divisors is an integer number (6687195919).

Almost surely, 2^13374391837 is an apocalyptic number.

It is an amenable number.

13374391837 is a deficient number, since it is larger than the sum of its proper divisors (1).

13374391837 is an equidigital number, since it uses as much as digits as its factorization.

13374391837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 49.

The spelling of 13374391837 in words is "thirteen billion, three hundred seventy-four million, three hundred ninety-one thousand, eight hundred thirty-seven".