1634434051 has 4 divisors (see below), whose sum is σ = 1635401152. Its totient is φ = 1633466952.

The previous prime is 1634434013. The next prime is 1634434057. The reversal of 1634434051 is 1504344361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1634434051 - 2²⁵ = 1600879619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1634434057) 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, 481011 + ... + 484396.

It is an arithmetic number, because the mean of its divisors is an integer number (408850288).

Almost surely, 2^1634434051 is an apocalyptic number.

1634434051 is a deficient number, since it is larger than the sum of its proper divisors (967101).

1634434051 is an equidigital number, since it uses as much as digits as its factorization.

1634434051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967100.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1634434051 is about 40428.1343992027. The cubic root of 1634434051 is about 1177.9380948057.

The spelling of 1634434051 in words is "one billion, six hundred thirty-four million, four hundred thirty-four thousand, fifty-one".