1098650049 has 8 divisors (see below), whose sum is σ = 1674133440. Its totient is φ = 627800016.

The previous prime is 1098650027. The next prime is 1098650057. The reversal of 1098650049 is 9400568901.

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

It is not a de Polignac number, because 1098650049 - 2⁵ = 1098650017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1098650149) 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, 26158314 + ... + 26158355.

It is an arithmetic number, because the mean of its divisors is an integer number (209266680).

Almost surely, 2^1098650049 is an apocalyptic number.

It is an amenable number.

1098650049 is a deficient number, since it is larger than the sum of its proper divisors (575483391).

1098650049 is an equidigital number, since it uses as much as digits as its factorization.

1098650049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52316679.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 1098650049 is about 33145.8903787483. The cubic root of 1098650049 is about 1031.8576615103.

The spelling of 1098650049 in words is "one billion, ninety-eight million, six hundred fifty thousand, forty-nine".