3378455389 has 8 divisors (see below), whose sum is σ = 3414570488. Its totient is φ = 3342366720.

The previous prime is 3378455387. The next prime is 3378455393. The reversal of 3378455389 is 9835548733.

It can be written as a sum of positive squares in 4 ways, for example, as 4588164 + 3373867225 = 2142^2 + 58085^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3378455389 - 2¹ = 3378455387 is a prime.

It is a super-2 number, since 2×3378455389² = 22827921630926282642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3378455387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353899 + ... + 363319.

It is an arithmetic number, because the mean of its divisors is an integer number (426821311).

Almost surely, 2^3378455389 is an apocalyptic number.

It is an amenable number.

3378455389 is a deficient number, since it is larger than the sum of its proper divisors (36115099).

3378455389 is an equidigital number, since it uses as much as digits as its factorization.

3378455389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13215.

The product of its digits is 10886400, while the sum is 55.

The square root of 3378455389 is about 58124.4818385506. The cubic root of 3378455389 is about 1500.5117348799.

The spelling of 3378455389 in words is "three billion, three hundred seventy-eight million, four hundred fifty-five thousand, three hundred eighty-nine".