194349338542 has 4 divisors (see below), whose sum is σ = 291524007816. Its totient is φ = 97174669270.

The previous prime is 194349338539. The next prime is 194349338587. The reversal of 194349338542 is 245833943491.

It is a happy number.

194349338542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48587334634 + ... + 48587334637.

It is an arithmetic number, because the mean of its divisors is an integer number (72881001954).

Almost surely, 2^194349338542 is an apocalyptic number.

194349338542 is a deficient number, since it is larger than the sum of its proper divisors (97174669274).

194349338542 is an equidigital number, since it uses as much as digits as its factorization.

194349338542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97174669273.

The product of its digits is 11197440, while the sum is 55.

The spelling of 194349338542 in words is "one hundred ninety-four billion, three hundred forty-nine million, three hundred thirty-eight thousand, five hundred forty-two".