6897739530 has 32 divisors (see below), whose sum is σ = 18059537088. Its totient is φ = 1672179200.

The previous prime is 6897739493. The next prime is 6897739543. The reversal of 6897739530 is 359377986.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10450791 + ... + 10451450.

It is an arithmetic number, because the mean of its divisors is an integer number (564360534).

Almost surely, 2^6897739530 is an apocalyptic number.

6897739530 is an abundant number, since it is smaller than the sum of its proper divisors (11161797558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6897739530 is a wasteful number, since it uses less digits than its factorization.

6897739530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20902262.

The product of its (nonzero) digits is 8573040, while the sum is 57.

The square root of 6897739530 is about 83052.6310841505. The cubic root of 6897739530 is about 1903.5703439114.

The spelling of 6897739530 in words is "six billion, eight hundred ninety-seven million, seven hundred thirty-nine thousand, five hundred thirty".