46781129 has 4 divisors (see below), whose sum is σ = 46967760. Its totient is φ = 46594500.

The previous prime is 46781117. The next prime is 46781167. The reversal of 46781129 is 92118764.

46781129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 46781129 - 2²⁰ = 45732553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46781092 and 46781101.

It is not an unprimeable number, because it can be changed into a prime (46781179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92939 + ... + 93440.

It is an arithmetic number, because the mean of its divisors is an integer number (11741940).

Almost surely, 2^46781129 is an apocalyptic number.

It is an amenable number.

46781129 is a deficient number, since it is larger than the sum of its proper divisors (186631).

46781129 is a wasteful number, since it uses less digits than its factorization.

46781129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186630.

The product of its digits is 24192, while the sum is 38.

The square root of 46781129 is about 6839.6731647060. The cubic root of 46781129 is about 360.3215465617.

The spelling of 46781129 in words is "forty-six million, seven hundred eighty-one thousand, one hundred twenty-nine".