2998698557 has 4 divisors (see below), whose sum is σ = 2999045760. Its totient is φ = 2998351356.

The previous prime is 2998698499. The next prime is 2998698683. The reversal of 2998698557 is 7558968992.

2998698557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2998698557 - 2¹⁶ = 2998633021 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 (2998598557) 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, 160307 + ... + 178032.

It is an arithmetic number, because the mean of its divisors is an integer number (749761440).

Almost surely, 2^2998698557 is an apocalyptic number.

It is an amenable number.

2998698557 is a deficient number, since it is larger than the sum of its proper divisors (347203).

2998698557 is an equidigital number, since it uses as much as digits as its factorization.

2998698557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347202.

The product of its digits is 97977600, while the sum is 68.

The square root of 2998698557 is about 54760.3739669480. The cubic root of 2998698557 is about 1442.0409839633.

The spelling of 2998698557 in words is "two billion, nine hundred ninety-eight million, six hundred ninety-eight thousand, five hundred fifty-seven".