2386149021 has 6 divisors (see below), whose sum is σ = 3446659710. Its totient is φ = 1590766008.

The previous prime is 2386148959. The next prime is 2386149023. The reversal of 2386149021 is 1209416832.

2386149021 is a `hidden beast` number, since 2 + 38 + 614 + 9 + 0 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1403326521 + 982822500 = 37461^2 + 31350^2 .

It is not a de Polignac number, because 2386149021 - 2¹⁵ = 2386116253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2386149023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132563826 + ... + 132563843.

It is an arithmetic number, because the mean of its divisors is an integer number (574443285).

Almost surely, 2^2386149021 is an apocalyptic number.

It is an amenable number.

2386149021 is a deficient number, since it is larger than the sum of its proper divisors (1060510689).

2386149021 is a wasteful number, since it uses less digits than its factorization.

2386149021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265127675 (or 265127672 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2386149021 is about 48848.2243382500. The cubic root of 2386149021 is about 1336.2852899673.

The spelling of 2386149021 in words is "two billion, three hundred eighty-six million, one hundred forty-nine thousand, twenty-one".