4646394149 has 4 divisors (see below), whose sum is σ = 4649950464. Its totient is φ = 4642837836.

The previous prime is 4646394139. The next prime is 4646394157. The reversal of 4646394149 is 9414936464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4646394149 is a prime.

It is a super-2 number, since 2×4646394149² = 43177957175722868402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4646394097 and 4646394106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4646394139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1776197 + ... + 1778810.

It is an arithmetic number, because the mean of its divisors is an integer number (1162487616).

Almost surely, 2^4646394149 is an apocalyptic number.

It is an amenable number.

4646394149 is a deficient number, since it is larger than the sum of its proper divisors (3556315).

4646394149 is a wasteful number, since it uses less digits than its factorization.

4646394149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556314.

The product of its digits is 2239488, while the sum is 50.

The square root of 4646394149 is about 68164.4639750068. The cubic root of 4646394149 is about 1668.6759856001.

The spelling of 4646394149 in words is "four billion, six hundred forty-six million, three hundred ninety-four thousand, one hundred forty-nine".