2098741561 has 8 divisors (see below), whose sum is σ = 2398942400. Its totient is φ = 1798635888.

The previous prime is 2098741543. The next prime is 2098741607. The reversal of 2098741561 is 1651478902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2098741561 - 2¹⁵ = 2098708793 is a prime.

It is a super-2 number, since 2×2098741561² = 8809432279737433442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2098744561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32290 + ... + 72388.

It is an arithmetic number, because the mean of its divisors is an integer number (299867800).

Almost surely, 2^2098741561 is an apocalyptic number.

It is an amenable number.

2098741561 is a deficient number, since it is larger than the sum of its proper divisors (300200839).

2098741561 is an equidigital number, since it uses as much as digits as its factorization.

2098741561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47583.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 2098741561 is about 45812.0241967106. The cubic root of 2098741561 is about 1280.3233153402.

The spelling of 2098741561 in words is "two billion, ninety-eight million, seven hundred forty-one thousand, five hundred sixty-one".