633143990069 has 4 divisors (see below), whose sum is σ = 633425264640. Its totient is φ = 632862715500.

The previous prime is 633143990051. The next prime is 633143990153. The reversal of 633143990069 is 960099341336.

633143990069 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 633143990069 - 2³⁶ = 564424513333 is a prime.

It is a super-2 number, since 2×633143990069² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 633143990069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633143920069) 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, 140633909 + ... + 140638410.

It is an arithmetic number, because the mean of its divisors is an integer number (158356316160).

Almost surely, 2^633143990069 is an apocalyptic number.

It is an amenable number.

633143990069 is a deficient number, since it is larger than the sum of its proper divisors (281274571).

633143990069 is a wasteful number, since it uses less digits than its factorization.

633143990069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281274570.

The product of its (nonzero) digits is 2834352, while the sum is 53.

The spelling of 633143990069 in words is "six hundred thirty-three billion, one hundred forty-three million, nine hundred ninety thousand, sixty-nine".