2148194908 has 6 divisors (see below), whose sum is σ = 3759341096. Its totient is φ = 1074097452.

The previous prime is 2148194833. The next prime is 2148194911. The reversal of 2148194908 is 8094918412.

It is a super-2 number, since 2×2148194908² = 9229482725514256928, 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 as a sum of consecutive naturals, namely, 268524360 + ... + 268524367.

Almost surely, 2^2148194908 is an apocalyptic number.

It is an amenable number.

2148194908 is a deficient number, since it is larger than the sum of its proper divisors (1611146188).

2148194908 is a wasteful number, since it uses less digits than its factorization.

2148194908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537048731 (or 537048729 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 2148194908 is about 46348.6235825833. The cubic root of 2148194908 is about 1290.3015756273.

The spelling of 2148194908 in words is "two billion, one hundred forty-eight million, one hundred ninety-four thousand, nine hundred eight".