632042799643 has 4 divisors (see below), whose sum is σ = 634324542880. Its totient is φ = 629761056408.

The previous prime is 632042799559. The next prime is 632042799649. The reversal of 632042799643 is 346997240236.

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 632042799643 - 2¹³ = 632042791451 is a prime.

It is a super-2 number, since 2×632042799643² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632042799649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140871203 + ... + 1140871756.

It is an arithmetic number, because the mean of its divisors is an integer number (158581135720).

Almost surely, 2^632042799643 is an apocalyptic number.

632042799643 is a deficient number, since it is larger than the sum of its proper divisors (2281743237).

632042799643 is a wasteful number, since it uses less digits than its factorization.

632042799643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281743236.

The product of its (nonzero) digits is 11757312, while the sum is 55.

The spelling of 632042799643 in words is "six hundred thirty-two billion, forty-two million, seven hundred ninety-nine thousand, six hundred forty-three".