6537845620468 has 24 divisors (see below), whose sum is σ = 11451285989640. Its totient is φ = 3266050544640.

The previous prime is 6537845620459. The next prime is 6537845620483. The reversal of 6537845620468 is 8640265487356.

It can be written as a sum of positive squares in 4 ways, for example, as 3766246625124 + 2771598995344 = 1940682^2 + 1664812^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29085148 + ... + 29309068.

It is an arithmetic number, because the mean of its divisors is an integer number (477136916235).

Almost surely, 2^{6537845620468} is an apocalyptic number.

It is an amenable number.

6537845620468 is a deficient number, since it is larger than the sum of its proper divisors (4913440369172).

6537845620468 is a wasteful number, since it uses less digits than its factorization.

6537845620468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230307 (or 230305 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 64.

The spelling of 6537845620468 in words is "six trillion, five hundred thirty-seven billion, eight hundred forty-five million, six hundred twenty thousand, four hundred sixty-eight".