2148867554 has 8 divisors (see below), whose sum is σ = 3233470428. Its totient is φ = 1071044080.

The previous prime is 2148867521. The next prime is 2148867569. The reversal of 2148867554 is 4557688412.

It can be written as a sum of positive squares in 2 ways, for example, as 2121063025 + 27804529 = 46055^2 + 5273^2 .

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, 1694057 + ... + 1695324.

Almost surely, 2^2148867554 is an apocalyptic number.

2148867554 is a deficient number, since it is larger than the sum of its proper divisors (1084602874).

2148867554 is a wasteful number, since it uses less digits than its factorization.

2148867554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389700.

The product of its digits is 2150400, while the sum is 50.

The square root of 2148867554 is about 46355.8793897818. The cubic root of 2148867554 is about 1290.4362352926.

The spelling of 2148867554 in words is "two billion, one hundred forty-eight million, eight hundred sixty-seven thousand, five hundred fifty-four".