193939452005 has 16 divisors (see below), whose sum is σ = 258714269184. Its totient is φ = 138596927040.

The previous prime is 193939451977. The next prime is 193939452023. The reversal of 193939452005 is 500254939391.

It is not a de Polignac number, because 193939452005 - 2⁶ = 193939451941 is a prime.

It is a super-2 number, since 2×193939452005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 48121919 + ... + 48125948.

It is an arithmetic number, because the mean of its divisors is an integer number (16169641824).

Almost surely, 2^193939452005 is an apocalyptic number.

It is an amenable number.

193939452005 is a deficient number, since it is larger than the sum of its proper divisors (64774817179).

193939452005 is a wasteful number, since it uses less digits than its factorization.

193939452005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96247916.

The product of its (nonzero) digits is 1312200, while the sum is 50.

The spelling of 193939452005 in words is "one hundred ninety-three billion, nine hundred thirty-nine million, four hundred fifty-two thousand, five".