1634141812 has 48 divisors (see below), whose sum is σ = 3089931264. Its totient is φ = 753984000.

The previous prime is 1634141791. The next prime is 1634141837. The reversal of 1634141812 is 2181414361.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200012 + ... + 1201372.

It is an arithmetic number, because the mean of its divisors is an integer number (64373568).

Almost surely, 2^1634141812 is an apocalyptic number.

It is an amenable number.

1634141812 is a deficient number, since it is larger than the sum of its proper divisors (1455789452).

1634141812 is a wasteful number, since it uses less digits than its factorization.

1634141812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840 (or 1838 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 1634141812 is about 40424.5199353066. The cubic root of 1634141812 is about 1177.8678849840.

The spelling of 1634141812 in words is "one billion, six hundred thirty-four million, one hundred forty-one thousand, eight hundred twelve".