3637990542 has 8 divisors (see below), whose sum is σ = 7275981096. Its totient is φ = 1212663512.

The previous prime is 3637990541. The next prime is 3637990547. The reversal of 3637990542 is 2450997363.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

3637990542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3637990491 and 3637990500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3637990541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303165873 + ... + 303165884.

It is an arithmetic number, because the mean of its divisors is an integer number (909497637).

Almost surely, 2^3637990542 is an apocalyptic number.

3637990542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3637990542 is a wasteful number, since it uses less digits than its factorization.

3637990542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606331762.

The product of its (nonzero) digits is 1224720, while the sum is 48.

The square root of 3637990542 is about 60315.7569959957. The cubic root of 3637990542 is about 1537.9912165389.

The spelling of 3637990542 in words is "three billion, six hundred thirty-seven million, nine hundred ninety thousand, five hundred forty-two".