426012149 has 4 divisors (see below), whose sum is σ = 426307200. Its totient is φ = 425717100.

The previous prime is 426012143. The next prime is 426012173. The reversal of 426012149 is 941210624.

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 426012149 - 2²⁰ = 424963573 is a prime.

It is a super-3 number, since 3×426012149³ (a number of 27 digits) contains 333 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 (426012143) 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, 145349 + ... + 148250.

It is an arithmetic number, because the mean of its divisors is an integer number (106576800).

Almost surely, 2^426012149 is an apocalyptic number.

It is an amenable number.

426012149 is a deficient number, since it is larger than the sum of its proper divisors (295051).

426012149 is a wasteful number, since it uses less digits than its factorization.

426012149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295050.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 426012149 is about 20640.0617489386. The cubic root of 426012149 is about 752.4436731531.

The spelling of 426012149 in words is "four hundred twenty-six million, twelve thousand, one hundred forty-nine".