1818545962 has 4 divisors (see below), whose sum is σ = 2727818946. Its totient is φ = 909272980.

The previous prime is 1818545957. The next prime is 1818545977. The reversal of 1818545962 is 2695458181.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2695458181 = 13 ⋅207342937.

It can be written as a sum of positive squares in only one way, i.e., 1534994041 + 283551921 = 39179^2 + 16839^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454636489 + ... + 454636492.

Almost surely, 2^1818545962 is an apocalyptic number.

1818545962 is a deficient number, since it is larger than the sum of its proper divisors (909272984).

1818545962 is an equidigital number, since it uses as much as digits as its factorization.

1818545962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909272983.

The product of its digits is 691200, while the sum is 49.

The square root of 1818545962 is about 42644.4130221064. The cubic root of 1818545962 is about 1220.6039207434.

The spelling of 1818545962 in words is "one billion, eight hundred eighteen million, five hundred forty-five thousand, nine hundred sixty-two".