5437730509 has 2 divisors, whose sum is σ = 5437730510. Its totient is φ = 5437730508.

The previous prime is 5437730489. The next prime is 5437730527. The reversal of 5437730509 is 9050377345.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2845902409 + 2591828100 = 53347^2 + 50910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5437730509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5437730539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718865254 + 2718865255.

It is an arithmetic number, because the mean of its divisors is an integer number (2718865255).

Almost surely, 2^5437730509 is an apocalyptic number.

It is an amenable number.

5437730509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5437730509 is an equidigital number, since it uses as much as digits as its factorization.

5437730509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 396900, while the sum is 43.

The square root of 5437730509 is about 73740.9689996002. The cubic root of 5437730509 is about 1758.4872621640.

The spelling of 5437730509 in words is "five billion, four hundred thirty-seven million, seven hundred thirty thousand, five hundred nine".