2185360742 has 4 divisors (see below), whose sum is σ = 3278041116. Its totient is φ = 1092680370.

The previous prime is 2185360699. The next prime is 2185360757. The reversal of 2185360742 is 2470635812.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2185360696 and 2185360705.

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, 546340184 + ... + 546340187.

It is an arithmetic number, because the mean of its divisors is an integer number (819510279).

Almost surely, 2^2185360742 is an apocalyptic number.

2185360742 is a deficient number, since it is larger than the sum of its proper divisors (1092680374).

2185360742 is a wasteful number, since it uses less digits than its factorization.

2185360742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092680373.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 2185360742 is about 46747.8421106258. The cubic root of 2185360742 is about 1297.7002223179.

The spelling of 2185360742 in words is "two billion, one hundred eighty-five million, three hundred sixty thousand, seven hundred forty-two".