1852849943 has 16 divisors (see below), whose sum is σ = 2198108160. Its totient is φ = 1528308000.

The previous prime is 1852849931. The next prime is 1852849967. The reversal of 1852849943 is 3499482581.

It is a cyclic number.

It is not a de Polignac number, because 1852849943 - 2¹² = 1852845847 is a prime.

It is a super-2 number, since 2×1852849943² = 6866105822550206498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1852849903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14993 + ... + 62693.

It is an arithmetic number, because the mean of its divisors is an integer number (137381760).

Almost surely, 2^1852849943 is an apocalyptic number.

1852849943 is a deficient number, since it is larger than the sum of its proper divisors (345258217).

1852849943 is a wasteful number, since it uses less digits than its factorization.

1852849943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47918.

The product of its digits is 2488320, while the sum is 53.

The square root of 1852849943 is about 43044.7435002231. The cubic root of 1852849943 is about 1228.2310798766.

The spelling of 1852849943 in words is "one billion, eight hundred fifty-two million, eight hundred forty-nine thousand, nine hundred forty-three".