5494685687 has 2 divisors, whose sum is σ = 5494685688. Its totient is φ = 5494685686.

The previous prime is 5494685659. The next prime is 5494685723. The reversal of 5494685687 is 7865864945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5494685687 - 2⁸ = 5494685431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5494685087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2747342843 + 2747342844.

It is an arithmetic number, because the mean of its divisors is an integer number (2747342844).

Almost surely, 2^5494685687 is an apocalyptic number.

5494685687 is a deficient number, since it is larger than the sum of its proper divisors (1).

5494685687 is an equidigital number, since it uses as much as digits as its factorization.

5494685687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58060800, while the sum is 62.

The square root of 5494685687 is about 74126.1471209721. The cubic root of 5494685687 is about 1764.6054579068.

The spelling of 5494685687 in words is "five billion, four hundred ninety-four million, six hundred eighty-five thousand, six hundred eighty-seven".