6437013091 has 2 divisors, whose sum is σ = 6437013092. Its totient is φ = 6437013090.

The previous prime is 6437013083. The next prime is 6437013109. The reversal of 6437013091 is 1903107346.

Together with next prime (6437013109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6437013091 - 2³ = 6437013083 is a prime.

It is not a weakly prime, because it can be changed into another prime (6437013991) 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, 3218506545 + 3218506546.

It is an arithmetic number, because the mean of its divisors is an integer number (3218506546).

Almost surely, 2^6437013091 is an apocalyptic number.

6437013091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6437013091 is an equidigital number, since it uses as much as digits as its factorization.

6437013091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 6437013091 is about 80230.9983173586. The cubic root of 6437013091 is about 1860.2078130431.

The spelling of 6437013091 in words is "six billion, four hundred thirty-seven million, thirteen thousand, ninety-one".