11338474837 has 2 divisors, whose sum is σ = 11338474838. Its totient is φ = 11338474836.

The previous prime is 11338474799. The next prime is 11338474871. The reversal of 11338474837 is 73847483311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8069608561 + 3268866276 = 89831^2 + 57174^2 .

It is a cyclic number.

It is not a de Polignac number, because 11338474837 - 2¹⁹ = 11337950549 is a prime.

It is a super-2 number, since 2×11338474837² (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 (11338474337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5669237418 + 5669237419.

It is an arithmetic number, because the mean of its divisors is an integer number (5669237419).

Almost surely, 2^11338474837 is an apocalyptic number.

It is an amenable number.

11338474837 is a deficient number, since it is larger than the sum of its proper divisors (1).

11338474837 is an equidigital number, since it uses as much as digits as its factorization.

11338474837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 49.

The spelling of 11338474837 in words is "eleven billion, three hundred thirty-eight million, four hundred seventy-four thousand, eight hundred thirty-seven".