3668353537 has 4 divisors (see below), whose sum is σ = 3668474880. Its totient is φ = 3668232196.

The previous prime is 3668353531. The next prime is 3668353543. The reversal of 3668353537 is 7353538663.

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 a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (3668353531) and next prime (3668353543).

It is a cyclic number.

It is not a de Polignac number, because 3668353537 - 2²⁷ = 3534135809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3668353531) 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, 25008 + ... + 89230.

It is an arithmetic number, because the mean of its divisors is an integer number (917118720).

Almost surely, 2^3668353537 is an apocalyptic number.

It is an amenable number.

3668353537 is a deficient number, since it is larger than the sum of its proper divisors (121343).

3668353537 is an equidigital number, since it uses as much as digits as its factorization.

3668353537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121342.

The product of its digits is 4082400, while the sum is 49.

The square root of 3668353537 is about 60566.9343536554. The cubic root of 3668353537 is about 1542.2581053469.

The spelling of 3668353537 in words is "three billion, six hundred sixty-eight million, three hundred fifty-three thousand, five hundred thirty-seven".