6375531551567 has 4 divisors (see below), whose sum is σ = 6376881446520. Its totient is φ = 6374181656616.

The previous prime is 6375531551489. The next prime is 6375531551581. The reversal of 6375531551567 is 7651551355736.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6375531551567 - 2¹⁴ = 6375531535183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6375531551167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674940392 + ... + 674949837.

It is an arithmetic number, because the mean of its divisors is an integer number (1594220361630).

Almost surely, 2^{6375531551567} is an apocalyptic number.

6375531551567 is a deficient number, since it is larger than the sum of its proper divisors (1349894953).

6375531551567 is a wasteful number, since it uses less digits than its factorization.

6375531551567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349894952.

The product of its digits is 49612500, while the sum is 59.

The spelling of 6375531551567 in words is "six trillion, three hundred seventy-five billion, five hundred thirty-one million, five hundred fifty-one thousand, five hundred sixty-seven".