193045771740 has 24 divisors (see below), whose sum is σ = 540528161040. Its totient is φ = 51478872448.

The previous prime is 193045771733. The next prime is 193045771753. The reversal of 193045771740 is 47177540391.

It is a self number, because there is not a number n which added to its sum of digits gives 193045771740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608714705 + ... + 1608714824.

It is an arithmetic number, because the mean of its divisors is an integer number (22522006710).

Almost surely, 2^193045771740 is an apocalyptic number.

193045771740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193045771740 is an abundant number, since it is smaller than the sum of its proper divisors (347482389300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

193045771740 is a wasteful number, since it uses less digits than its factorization.

193045771740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217429541 (or 3217429539 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 48.

The spelling of 193045771740 in words is "one hundred ninety-three billion, forty-five million, seven hundred seventy-one thousand, seven hundred forty".