193541948540 has 48 divisors (see below), whose sum is σ = 410716014912. Its totient is φ = 76602279936.

The previous prime is 193541948539. The next prime is 193541948549. The reversal of 193541948540 is 45849145391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193541948549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13411769 + ... + 13426191.

It is an arithmetic number, because the mean of its divisors is an integer number (8556583644).

Almost surely, 2^193541948540 is an apocalyptic number.

193541948540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193541948540 is an abundant number, since it is smaller than the sum of its proper divisors (217174066372).

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

193541948540 is a wasteful number, since it uses less digits than its factorization.

193541948540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21446 (or 21444 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 193541948540 in words is "one hundred ninety-three billion, five hundred forty-one million, nine hundred forty-eight thousand, five hundred forty".