2984697893 has 4 divisors (see below), whose sum is σ = 3087618540. Its totient is φ = 2881777248.

The previous prime is 2984697889. The next prime is 2984697913. The reversal of 2984697893 is 3987964892.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2543991844 + 440706049 = 50438^2 + 20993^2 .

It is a cyclic number.

It is not a de Polignac number, because 2984697893 - 2² = 2984697889 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 (2984697193) 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, 51460280 + ... + 51460337.

It is an arithmetic number, because the mean of its divisors is an integer number (771904635).

Almost surely, 2^2984697893 is an apocalyptic number.

It is an amenable number.

2984697893 is a deficient number, since it is larger than the sum of its proper divisors (102920647).

2984697893 is a wasteful number, since it uses less digits than its factorization.

2984697893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102920646.

The product of its digits is 47029248, while the sum is 65.

The square root of 2984697893 is about 54632.3886810745. The cubic root of 2984697893 is about 1439.7932272871.

The spelling of 2984697893 in words is "two billion, nine hundred eighty-four million, six hundred ninety-seven thousand, eight hundred ninety-three".