2549598890 has 8 divisors (see below), whose sum is σ = 4589278020. Its totient is φ = 1019839552.

The previous prime is 2549598881. The next prime is 2549598913. The reversal of 2549598890 is 988959452.

It can be written as a sum of positive squares in 2 ways, for example, as 2412872641 + 136726249 = 49121^2 + 11693^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127479935 + ... + 127479954.

Almost surely, 2^2549598890 is an apocalyptic number.

2549598890 is a deficient number, since it is larger than the sum of its proper divisors (2039679130).

2549598890 is a wasteful number, since it uses less digits than its factorization.

2549598890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254959896.

The product of its (nonzero) digits is 9331200, while the sum is 59.

The square root of 2549598890 is about 50493.5529548080. The cubic root of 2549598890 is about 1366.1255709103.

The spelling of 2549598890 in words is "two billion, five hundred forty-nine million, five hundred ninety-eight thousand, eight hundred ninety".