3381621807 has 4 divisors (see below), whose sum is σ = 4508829080. Its totient is φ = 2254414536.

The previous prime is 3381621791. The next prime is 3381621809. The reversal of 3381621807 is 7081261833.

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

It is not a de Polignac number, because 3381621807 - 2⁴ = 3381621791 is a prime.

It is a super-4 number, since 4×3381621807⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3381621809) 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, 563603632 + ... + 563603637.

It is an arithmetic number, because the mean of its divisors is an integer number (1127207270).

Almost surely, 2^3381621807 is an apocalyptic number.

3381621807 is a deficient number, since it is larger than the sum of its proper divisors (1127207273).

3381621807 is a wasteful number, since it uses less digits than its factorization.

3381621807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127207272.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 3381621807 is about 58151.7137064764. The cubic root of 3381621807 is about 1500.9803675578.

The spelling of 3381621807 in words is "three billion, three hundred eighty-one million, six hundred twenty-one thousand, eight hundred seven".