2149746098 has 4 divisors (see below), whose sum is σ = 3224619150. Its totient is φ = 1074873048.

The previous prime is 2149746059. The next prime is 2149746143. The reversal of 2149746098 is 8906479412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1999610089 + 150136009 = 44717^2 + 12253^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537436523 + ... + 537436526.

Almost surely, 2^2149746098 is an apocalyptic number.

2149746098 is a deficient number, since it is larger than the sum of its proper divisors (1074873052).

2149746098 is a wasteful number, since it uses less digits than its factorization.

2149746098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074873051.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 2149746098 is about 46365.3545009633. The cubic root of 2149746098 is about 1290.6120721799.

The spelling of 2149746098 in words is "two billion, one hundred forty-nine million, seven hundred forty-six thousand, ninety-eight".