3661434507 has 4 divisors (see below), whose sum is σ = 4881912680. Its totient is φ = 2440956336.

The previous prime is 3661434503. The next prime is 3661434509. The reversal of 3661434507 is 7054341663.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3661434507 - 2² = 3661434503 is a prime.

It is a super-2 number, since 2×3661434507² = 26812205298100666098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3661434503) 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, 610239082 + ... + 610239087.

It is an arithmetic number, because the mean of its divisors is an integer number (1220478170).

Almost surely, 2^3661434507 is an apocalyptic number.

3661434507 is a deficient number, since it is larger than the sum of its proper divisors (1220478173).

3661434507 is a wasteful number, since it uses less digits than its factorization.

3661434507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220478172.

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 3661434507 is about 60509.7885221887. The cubic root of 3661434507 is about 1541.2878566157.

The spelling of 3661434507 in words is "three billion, six hundred sixty-one million, four hundred thirty-four thousand, five hundred seven".