194026248489 has 8 divisors (see below), whose sum is σ = 263582828352. Its totient is φ = 126910250480.

The previous prime is 194026248469. The next prime is 194026248509. The reversal of 194026248489 is 984842620491.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (194026248469) and next prime (194026248509).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 194026248489 - 2⁹ = 194026247977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194026248469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610145277 + ... + 610145594.

It is an arithmetic number, because the mean of its divisors is an integer number (32947853544).

Almost surely, 2^194026248489 is an apocalyptic number.

It is an amenable number.

194026248489 is a deficient number, since it is larger than the sum of its proper divisors (69556579863).

194026248489 is a wasteful number, since it uses less digits than its factorization.

194026248489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220290927.

The product of its (nonzero) digits is 7962624, while the sum is 57.

The spelling of 194026248489 in words is "one hundred ninety-four billion, twenty-six million, two hundred forty-eight thousand, four hundred eighty-nine".