3378404729 has 8 divisors (see below), whose sum is σ = 3861955008. Its totient is φ = 2895084720.

The previous prime is 3378404699. The next prime is 3378404737. The reversal of 3378404729 is 9274048733.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3378404729 is a prime.

It is a super-2 number, since 2×3378404729² = 22827237025859126882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3378404629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24887 + ... + 85884.

It is an arithmetic number, because the mean of its divisors is an integer number (482744376).

Almost surely, 2^3378404729 is an apocalyptic number.

It is an amenable number.

3378404729 is a deficient number, since it is larger than the sum of its proper divisors (483550279).

3378404729 is a wasteful number, since it uses less digits than its factorization.

3378404729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115135.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The square root of 3378404729 is about 58124.0460480858. The cubic root of 3378404729 is about 1500.5042347755.

The spelling of 3378404729 in words is "three billion, three hundred seventy-eight million, four hundred four thousand, seven hundred twenty-nine".