193939452006 has 64 divisors (see below), whose sum is σ = 396558756288. Its totient is φ = 63216211968.

The previous prime is 193939451977. The next prime is 193939452023. The reversal of 193939452006 is 600254939391.

It is a super-2 number, since 2×193939452006² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 193939452006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65585080 + ... + 65588036.

It is an arithmetic number, because the mean of its divisors is an integer number (6196230567).

Almost surely, 2^193939452006 is an apocalyptic number.

193939452006 is an abundant number, since it is smaller than the sum of its proper divisors (202619304282).

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

193939452006 is a wasteful number, since it uses less digits than its factorization.

193939452006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4265.

The product of its (nonzero) digits is 1574640, while the sum is 51.

The spelling of 193939452006 in words is "one hundred ninety-three billion, nine hundred thirty-nine million, four hundred fifty-two thousand, six".