2148204699 has 16 divisors (see below), whose sum is σ = 3183534240. Its totient is φ = 1431682560.

The previous prime is 2148204697. The next prime is 2148204703. The reversal of 2148204699 is 9964028412.

It is not a de Polignac number, because 2148204699 - 2¹ = 2148204697 is a prime.

It is a super-2 number, since 2×2148204699² = 9229566857611361202, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2148204697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89059 + ... + 110579.

It is an arithmetic number, because the mean of its divisors is an integer number (198970890).

Almost surely, 2^2148204699 is an apocalyptic number.

2148204699 is a deficient number, since it is larger than the sum of its proper divisors (1035329541).

2148204699 is a wasteful number, since it uses less digits than its factorization.

2148204699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25227 (or 25221 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2148204699 is about 46348.7292058801. The cubic root of 2148204699 is about 1290.3035359280.

The spelling of 2148204699 in words is "two billion, one hundred forty-eight million, two hundred four thousand, six hundred ninety-nine".