1894742144734 has 8 divisors (see below), whose sum is σ = 2842169858928. Its totient is φ = 947352191760.

The previous prime is 1894742144707. The next prime is 1894742144741. The reversal of 1894742144734 is 4374412474981.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9314527 + ... + 9515770.

It is an arithmetic number, because the mean of its divisors is an integer number (355271232366).

Almost surely, 2^{1894742144734} is an apocalyptic number.

1894742144734 is a deficient number, since it is larger than the sum of its proper divisors (947427714194).

1894742144734 is a wasteful number, since it uses less digits than its factorization.

1894742144734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18880610.

The product of its digits is 21676032, while the sum is 58.

The spelling of 1894742144734 in words is "one trillion, eight hundred ninety-four billion, seven hundred forty-two million, one hundred forty-four thousand, seven hundred thirty-four".