2198986457 has 16 divisors (see below), whose sum is σ = 2302525440. Its totient is φ = 2097638400.

The previous prime is 2198986453. The next prime is 2198986459. The reversal of 2198986457 is 7546898912.

2198986457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2198986457 - 2² = 2198986453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2198986396 and 2198986405.

It is not an unprimeable number, because it can be changed into a prime (2198986453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1055657 + ... + 1057737.

It is an arithmetic number, because the mean of its divisors is an integer number (143907840).

Almost surely, 2^2198986457 is an apocalyptic number.

It is an amenable number.

2198986457 is a deficient number, since it is larger than the sum of its proper divisors (103538983).

2198986457 is a wasteful number, since it uses less digits than its factorization.

2198986457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584.

The product of its digits is 8709120, while the sum is 59.

The square root of 2198986457 is about 46893.3519488637. The cubic root of 2198986457 is about 1300.3916880875.

The spelling of 2198986457 in words is "two billion, one hundred ninety-eight million, nine hundred eighty-six thousand, four hundred fifty-seven".