6994590487 has 4 divisors (see below), whose sum is σ = 7020401056. Its totient is φ = 6968779920.

The previous prime is 6994590451. The next prime is 6994590521. The reversal of 6994590487 is 7840954996.

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 6994590487 - 2¹⁹ = 6994066199 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 (6994590587) 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, 12904878 + ... + 12905419.

It is an arithmetic number, because the mean of its divisors is an integer number (1755100264).

Almost surely, 2^6994590487 is an apocalyptic number.

6994590487 is a deficient number, since it is larger than the sum of its proper divisors (25810569).

6994590487 is a wasteful number, since it uses less digits than its factorization.

6994590487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25810568.

The product of its (nonzero) digits is 19595520, while the sum is 61.

The square root of 6994590487 is about 83633.6683818186. The cubic root of 6994590487 is about 1912.4382926364.

The spelling of 6994590487 in words is "six billion, nine hundred ninety-four million, five hundred ninety thousand, four hundred eighty-seven".