5391450637 has 2 divisors, whose sum is σ = 5391450638. Its totient is φ = 5391450636.

The previous prime is 5391450629. The next prime is 5391450661. The reversal of 5391450637 is 7360541935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4578687556 + 812763081 = 67666^2 + 28509^2 .

It is a cyclic number.

It is not a de Polignac number, because 5391450637 - 2³ = 5391450629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5391450593 and 5391450602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5391450607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2695725318 + 2695725319.

It is an arithmetic number, because the mean of its divisors is an integer number (2695725319).

Almost surely, 2^5391450637 is an apocalyptic number.

It is an amenable number.

5391450637 is a deficient number, since it is larger than the sum of its proper divisors (1).

5391450637 is an equidigital number, since it uses as much as digits as its factorization.

5391450637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 43.

The square root of 5391450637 is about 73426.4981937720. The cubic root of 5391450637 is about 1753.4842839150.

The spelling of 5391450637 in words is "five billion, three hundred ninety-one million, four hundred fifty thousand, six hundred thirty-seven".