107191850639 has 4 divisors (see below), whose sum is σ = 107243661240. Its totient is φ = 107140040040.

The previous prime is 107191850617. The next prime is 107191850653. The reversal of 107191850639 is 936058191701.

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 107191850639 - 2⁸ = 107191850383 is a prime.

It is a super-2 number, since 2×107191850639² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107191850659) 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, 25902197 + ... + 25906334.

It is an arithmetic number, because the mean of its divisors is an integer number (26810915310).

Almost surely, 2^107191850639 is an apocalyptic number.

107191850639 is a deficient number, since it is larger than the sum of its proper divisors (51810601).

107191850639 is an equidigital number, since it uses as much as digits as its factorization.

107191850639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51810600.

The product of its (nonzero) digits is 408240, while the sum is 50.

The spelling of 107191850639 in words is "one hundred seven billion, one hundred ninety-one million, eight hundred fifty thousand, six hundred thirty-nine".