9487498637 has 2 divisors, whose sum is σ = 9487498638. Its totient is φ = 9487498636.

The previous prime is 9487498621. The next prime is 9487498639. The reversal of 9487498637 is 7368947849.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4837758916 + 4649739721 = 69554^2 + 68189^2 .

It is a cyclic number.

It is not a de Polignac number, because 9487498637 - 2⁴ = 9487498621 is a prime.

Together with 9487498639, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9487498639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4743749318 + 4743749319.

It is an arithmetic number, because the mean of its divisors is an integer number (4743749319).

Almost surely, 2^9487498637 is an apocalyptic number.

It is an amenable number.

9487498637 is a deficient number, since it is larger than the sum of its proper divisors (1).

9487498637 is an equidigital number, since it uses as much as digits as its factorization.

9487498637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73156608, while the sum is 65.

The square root of 9487498637 is about 97403.7916972435. The cubic root of 9487498637 is about 2116.9823743554.

The spelling of 9487498637 in words is "nine billion, four hundred eighty-seven million, four hundred ninety-eight thousand, six hundred thirty-seven".