193130689007 has 4 divisors (see below), whose sum is σ = 195121727136. Its totient is φ = 191139650880.

The previous prime is 193130688997. The next prime is 193130689013. The reversal of 193130689007 is 700986031391.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700986031391 = 113 ⋅6203416207.

It is a cyclic number.

It is not a de Polignac number, because 193130689007 - 2⁴ = 193130688991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193130689027) 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, 995518919 + ... + 995519112.

It is an arithmetic number, because the mean of its divisors is an integer number (48780431784).

Almost surely, 2^193130689007 is an apocalyptic number.

193130689007 is a deficient number, since it is larger than the sum of its proper divisors (1991038129).

193130689007 is an equidigital number, since it uses as much as digits as its factorization.

193130689007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991038128.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 193130689007 in words is "one hundred ninety-three billion, one hundred thirty million, six hundred eighty-nine thousand, seven".