3662690437 has 4 divisors (see below), whose sum is σ = 4185931936. Its totient is φ = 3139448940.

The previous prime is 3662690371. The next prime is 3662690467. The reversal of 3662690437 is 7340962663.

3662690437 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7340962663 = 883 ⋅8313661.

It is a cyclic number.

It is not a de Polignac number, because 3662690437 - 2¹⁹ = 3662166149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3662690467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261620739 + ... + 261620752.

It is an arithmetic number, because the mean of its divisors is an integer number (1046482984).

Almost surely, 2^3662690437 is an apocalyptic number.

It is an amenable number.

3662690437 is a deficient number, since it is larger than the sum of its proper divisors (523241499).

3662690437 is an equidigital number, since it uses as much as digits as its factorization.

3662690437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523241498.

The product of its (nonzero) digits is 979776, while the sum is 46.

The square root of 3662690437 is about 60520.1655400908. The cubic root of 3662690437 is about 1541.4640651814.

The spelling of 3662690437 in words is "three billion, six hundred sixty-two million, six hundred ninety thousand, four hundred thirty-seven".