1873345345 has 32 divisors (see below), whose sum is σ = 2490946560. Its totient is φ = 1346181120.

The previous prime is 1873345333. The next prime is 1873345351. The reversal of 1873345345 is 5435433781.

It is not a de Polignac number, because 1873345345 - 2⁹ = 1873344833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187486 + ... + 197224.

It is an arithmetic number, because the mean of its divisors is an integer number (77842080).

Almost surely, 2^1873345345 is an apocalyptic number.

It is an amenable number.

1873345345 is a deficient number, since it is larger than the sum of its proper divisors (617601215).

1873345345 is a wasteful number, since it uses less digits than its factorization.

1873345345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9865.

The product of its digits is 604800, while the sum is 43.

The square root of 1873345345 is about 43282.1596619208. The cubic root of 1873345345 is about 1232.7431988435.

The spelling of 1873345345 in words is "one billion, eight hundred seventy-three million, three hundred forty-five thousand, three hundred forty-five".