3662437873 has 4 divisors (see below), whose sum is σ = 3751765668. Its totient is φ = 3573110080.

The previous prime is 3662437841. The next prime is 3662437897. The reversal of 3662437873 is 3787342663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3787342663 = 13 ⋅291334051.

It can be written as a sum of positive squares in 2 ways, for example, as 1843585969 + 1818851904 = 42937^2 + 42648^2 .

It is a cyclic number.

It is not a de Polignac number, because 3662437873 - 2⁵ = 3662437841 is a prime.

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 a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3662437973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44663836 + ... + 44663917.

It is an arithmetic number, because the mean of its divisors is an integer number (937941417).

Almost surely, 2^3662437873 is an apocalyptic number.

It is an amenable number.

3662437873 is a deficient number, since it is larger than the sum of its proper divisors (89327795).

3662437873 is an equidigital number, since it uses as much as digits as its factorization.

3662437873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89327794.

The product of its digits is 3048192, while the sum is 49.

The square root of 3662437873 is about 60518.0788938314. The cubic root of 3662437873 is about 1541.4286333692.

The spelling of 3662437873 in words is "three billion, six hundred sixty-two million, four hundred thirty-seven thousand, eight hundred seventy-three".