6542725598 has 4 divisors (see below), whose sum is σ = 9814088400. Its totient is φ = 3271362798.

The previous prime is 6542725589. The next prime is 6542725603. The reversal of 6542725598 is 8955272456.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1635681398 + ... + 1635681401.

It is an arithmetic number, because the mean of its divisors is an integer number (2453522100).

Almost surely, 2^6542725598 is an apocalyptic number.

6542725598 is a deficient number, since it is larger than the sum of its proper divisors (3271362802).

6542725598 is a wasteful number, since it uses less digits than its factorization.

6542725598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271362801.

The product of its digits is 6048000, while the sum is 53.

The square root of 6542725598 is about 80887.1163906836. The cubic root of 6542725598 is about 1870.3357226554.

The spelling of 6542725598 in words is "six billion, five hundred forty-two million, seven hundred twenty-five thousand, five hundred ninety-eight".