1853149294 has 16 divisors (see below), whose sum is σ = 2980497600. Its totient is φ = 861030144.

The previous prime is 1853149289. The next prime is 1853149297. The reversal of 1853149294 is 4929413581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1853149297) 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, 342279 + ... + 347650.

It is an arithmetic number, because the mean of its divisors is an integer number (186281100).

Almost surely, 2^1853149294 is an apocalyptic number.

1853149294 is a deficient number, since it is larger than the sum of its proper divisors (1127348306).

1853149294 is a wasteful number, since it uses less digits than its factorization.

1853149294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690027.

The product of its digits is 311040, while the sum is 46.

The square root of 1853149294 is about 43048.2205671733. The cubic root of 1853149294 is about 1228.2972216607.

The spelling of 1853149294 in words is "one billion, eight hundred fifty-three million, one hundred forty-nine thousand, two hundred ninety-four".