1854215713 has 12 divisors (see below), whose sum is σ = 2169005040. Its totient is φ = 1580441352.

The previous prime is 1854215707. The next prime is 1854215729. The reversal of 1854215713 is 3175124581.

It is not a de Polignac number, because 1854215713 - 2¹³ = 1854207521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1854215213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96931 + ... + 114472.

It is an arithmetic number, because the mean of its divisors is an integer number (180750420).

Almost surely, 2^1854215713 is an apocalyptic number.

It is an amenable number.

1854215713 is a deficient number, since it is larger than the sum of its proper divisors (314789327).

1854215713 is a wasteful number, since it uses less digits than its factorization.

1854215713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211596 (or 211589 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The square root of 1854215713 is about 43060.6051165099. The cubic root of 1854215713 is about 1228.5327897136.

The spelling of 1854215713 in words is "one billion, eight hundred fifty-four million, two hundred fifteen thousand, seven hundred thirteen".