4012491149 has 4 divisors (see below), whose sum is σ = 4012931040. Its totient is φ = 4012051260.

The previous prime is 4012491103. The next prime is 4012491157. The reversal of 4012491149 is 9411942104.

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 not a de Polignac number, because 4012491149 - 2⁸ = 4012490893 is a prime.

It is a super-2 number, since 2×4012491149² = 32200170441606680402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012461149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205967 + ... + 224604.

It is an arithmetic number, because the mean of its divisors is an integer number (1003232760).

Almost surely, 2^4012491149 is an apocalyptic number.

It is an amenable number.

4012491149 is a deficient number, since it is larger than the sum of its proper divisors (439891).

4012491149 is an equidigital number, since it uses as much as digits as its factorization.

4012491149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439890.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 4012491149 is about 63344.2274323399. The cubic root of 4012491149 is about 1589.0517068659.

The spelling of 4012491149 in words is "four billion, twelve million, four hundred ninety-one thousand, one hundred forty-nine".