2148249574 has 8 divisors (see below), whose sum is σ = 3411925848. Its totient is φ = 1010940960.

The previous prime is 2148249553. The next prime is 2148249581. The reversal of 2148249574 is 4759428412.

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

It is a super-2 number, since 2×2148249574² = 9229952464382362952, which contains 22 as substring.

It is a congruent number.

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, 31591872 + ... + 31591939.

It is an arithmetic number, because the mean of its divisors is an integer number (426490731).

Almost surely, 2^2148249574 is an apocalyptic number.

2148249574 is a deficient number, since it is larger than the sum of its proper divisors (1263676274).

2148249574 is a wasteful number, since it uses less digits than its factorization.

2148249574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63183830.

The product of its digits is 645120, while the sum is 46.

The square root of 2148249574 is about 46349.2133050821. The cubic root of 2148249574 is about 1290.3125204796.

The spelling of 2148249574 in words is "two billion, one hundred forty-eight million, two hundred forty-nine thousand, five hundred seventy-four".