6573397131 has 48 divisors (see below), whose sum is σ = 11316614400. Its totient is φ = 3735069408.

The previous prime is 6573397121. The next prime is 6573397163. The reversal of 6573397131 is 1317933756.

6573397131 is a `hidden beast` number, since 6 + 573 + 3 + 9 + 71 + 3 + 1 = 666.

It is not a de Polignac number, because 6573397131 - 2¹⁷ = 6573266059 is a prime.

It is a super-2 number, since 2×6573397131² = 86419099683678062322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6573397121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 293685 + ... + 315273.

It is an arithmetic number, because the mean of its divisors is an integer number (235762800).

Almost surely, 2^6573397131 is an apocalyptic number.

6573397131 is a deficient number, since it is larger than the sum of its proper divisors (4743217269).

6573397131 is a wasteful number, since it uses less digits than its factorization.

6573397131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21790 (or 21778 counting only the distinct ones).

The product of its digits is 357210, while the sum is 45.

The square root of 6573397131 is about 81076.4893850246. The cubic root of 6573397131 is about 1873.2538059482.

The spelling of 6573397131 in words is "six billion, five hundred seventy-three million, three hundred ninety-seven thousand, one hundred thirty-one".