1813633052 has 48 divisors (see below), whose sum is σ = 4084684800. Its totient is φ = 683812800.

The previous prime is 1813633043. The next prime is 1813633061. The reversal of 1813633052 is 2503363181.

It is an interprime number because it is at equal distance from previous prime (1813633043) and next prime (1813633061).

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, 85427 + ... + 104522.

It is an arithmetic number, because the mean of its divisors is an integer number (85097600).

Almost surely, 2^1813633052 is an apocalyptic number.

It is an amenable number.

1813633052 is an abundant number, since it is smaller than the sum of its proper divisors (2271051748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1813633052 is a wasteful number, since it uses less digits than its factorization.

1813633052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190002 (or 190000 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1813633052 is about 42586.7708566874. The cubic root of 1813633052 is about 1219.5037514111.

The spelling of 1813633052 in words is "one billion, eight hundred thirteen million, six hundred thirty-three thousand, fifty-two".