2542173393 has 8 divisors (see below), whose sum is σ = 3481174528. Its totient is φ = 1648977264.

The previous prime is 2542173377. The next prime is 2542173397. The reversal of 2542173393 is 3933712452.

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

It is not a de Polignac number, because 2542173393 - 2⁴ = 2542173377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542173397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11451121 + ... + 11451342.

It is an arithmetic number, because the mean of its divisors is an integer number (435146816).

Almost surely, 2^2542173393 is an apocalyptic number.

It is an amenable number.

2542173393 is a deficient number, since it is larger than the sum of its proper divisors (939001135).

2542173393 is a wasteful number, since it uses less digits than its factorization.

2542173393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22902503.

The product of its digits is 136080, while the sum is 39.

The square root of 2542173393 is about 50419.9701804751. The cubic root of 2542173393 is about 1364.7980385227.

The spelling of 2542173393 in words is "two billion, five hundred forty-two million, one hundred seventy-three thousand, three hundred ninety-three".