3378003681 has 16 divisors (see below), whose sum is σ = 4898496960. Its totient is φ = 2058187200.

The previous prime is 3378003677. The next prime is 3378003697. The reversal of 3378003681 is 1863008733.

3378003681 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3378003681 - 2² = 3378003677 is a prime.

It is a super-2 number, since 2×3378003681² = 22821817737699099522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (3378003481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424851 + ... + 432728.

It is an arithmetic number, because the mean of its divisors is an integer number (306156060).

Almost surely, 2^3378003681 is an apocalyptic number.

It is an amenable number.

3378003681 is a deficient number, since it is larger than the sum of its proper divisors (1520493279).

3378003681 is a wasteful number, since it uses less digits than its factorization.

3378003681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857696.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 3378003681 is about 58120.5960138056. The cubic root of 3378003681 is about 1500.4448578324. Note that the first 3 decimals are identical.

The spelling of 3378003681 in words is "three billion, three hundred seventy-eight million, three thousand, six hundred eighty-one".