193053815494 has 4 divisors (see below), whose sum is σ = 289580723244. Its totient is φ = 96526907746.

The previous prime is 193053815429. The next prime is 193053815501. The reversal of 193053815494 is 494518350391.

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, 48263453872 + ... + 48263453875.

It is an arithmetic number, because the mean of its divisors is an integer number (72395180811).

Almost surely, 2^193053815494 is an apocalyptic number.

193053815494 is a deficient number, since it is larger than the sum of its proper divisors (96526907750).

193053815494 is an equidigital number, since it uses as much as digits as its factorization.

193053815494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96526907749.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 193053815494 in words is "one hundred ninety-three billion, fifty-three million, eight hundred fifteen thousand, four hundred ninety-four".