1853040485 has 4 divisors (see below), whose sum is σ = 2223648588. Its totient is φ = 1482432384.

The previous prime is 1853040479. The next prime is 1853040499. The reversal of 1853040485 is 5840403581.

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

It can be written as a sum of positive squares in 2 ways, for example, as 655257604 + 1197782881 = 25598^2 + 34609^2 .

It is a cyclic number.

It is not a de Polignac number, because 1853040485 - 2⁶ = 1853040421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185304044 + ... + 185304053.

It is an arithmetic number, because the mean of its divisors is an integer number (555912147).

Almost surely, 2^1853040485 is an apocalyptic number.

It is an amenable number.

1853040485 is a deficient number, since it is larger than the sum of its proper divisors (370608103).

1853040485 is an equidigital number, since it uses as much as digits as its factorization.

1853040485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370608102.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 1853040485 is about 43046.9567449315. The cubic root of 1853040485 is about 1228.2731810705.

The spelling of 1853040485 in words is "one billion, eight hundred fifty-three million, forty thousand, four hundred eighty-five".