1852618442 has 4 divisors (see below), whose sum is σ = 2778927666. Its totient is φ = 926309220.

The previous prime is 1852618429. The next prime is 1852618463. The reversal of 1852618442 is 2448162581.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2448162581 = 19577 ⋅125053.

It can be written as a sum of positive squares in only one way, i.e., 1495446241 + 357172201 = 38671^2 + 18899^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1852618442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 463154609 + ... + 463154612.

Almost surely, 2^1852618442 is an apocalyptic number.

1852618442 is a deficient number, since it is larger than the sum of its proper divisors (926309224).

1852618442 is an equidigital number, since it uses as much as digits as its factorization.

1852618442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926309223.

The product of its digits is 122880, while the sum is 41.

The square root of 1852618442 is about 43042.0543422360. The cubic root of 1852618442 is about 1228.1799247057.

The spelling of 1852618442 in words is "one billion, eight hundred fifty-two million, six hundred eighteen thousand, four hundred forty-two".