194279295988 has 12 divisors (see below), whose sum is σ = 340171472452. Its totient is φ = 97087446720.

The previous prime is 194279295983. The next prime is 194279296007. The reversal of 194279295988 is 889592972491.

It can be written as a sum of positive squares in 2 ways, for example, as 91995742864 + 102283553124 = 303308^2 + 319818^2 .

It is a super-2 number, since 2×194279295988² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 194279295988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194279295983) 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, 13041945 + ... + 13056832.

Almost surely, 2^194279295988 is an apocalyptic number.

It is an amenable number.

194279295988 is a deficient number, since it is larger than the sum of its proper divisors (145892176464).

194279295988 is a wasteful number, since it uses less digits than its factorization.

194279295988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26100642 (or 26100640 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 73.

The spelling of 194279295988 in words is "one hundred ninety-four billion, two hundred seventy-nine million, two hundred ninety-five thousand, nine hundred eighty-eight".