6537557097 has 12 divisors (see below), whose sum is σ = 9484740720. Its totient is φ = 4339170168.

The previous prime is 6537557083. The next prime is 6537557123. The reversal of 6537557097 is 7907557356.

6537557097 is a `hidden beast` number, since 65 + 3 + 7 + 5 + 570 + 9 + 7 = 666.

It is not a de Polignac number, because 6537557097 - 2¹⁹ = 6537032809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6537557027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1597947 + ... + 1602032.

It is an arithmetic number, because the mean of its divisors is an integer number (790395060).

Almost surely, 2^6537557097 is an apocalyptic number.

It is an amenable number.

6537557097 is a deficient number, since it is larger than the sum of its proper divisors (2947183623).

6537557097 is a wasteful number, since it uses less digits than its factorization.

6537557097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200212 (or 3200209 counting only the distinct ones).

The product of its (nonzero) digits is 6945750, while the sum is 54.

The square root of 6537557097 is about 80855.1612267269. The cubic root of 6537557097 is about 1869.8430952072.

The spelling of 6537557097 in words is "six billion, five hundred thirty-seven million, five hundred fifty-seven thousand, ninety-seven".