3398518059049 has 9 divisors (see below), whose sum is σ = 3415091991831. Its totient is φ = 3382024201920.

The previous prime is 3398518059007. The next prime is 3398518059061. The reversal of 3398518059049 is 9409508158933.

The square root of 3398518059049 is 1843507.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1286239515625 + 2112278543424 = 1134125^2 + 1453368^2 .

It is not a de Polignac number, because 3398518059049 - 2²³ = 3398509670441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3398518009049) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 388975609 + ... + 388984345.

It is an arithmetic number, because the mean of its divisors is an integer number (379454665759).

Almost surely, 2^{3398518059049} is an apocalyptic number.

3398518059049 is the 1843507-th square number.

3398518059049 is the 921754-th centered octagonal number.

It is an amenable number.

3398518059049 is a deficient number, since it is larger than the sum of its proper divisors (16573932782).

3398518059049 is an frugal number, since it uses more digits than its factorization.

3398518059049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17896 (or 8948 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 64.

Multiplying 3398518059049 by its sum of digits (64), we get a square (217505155779136 = 14748056²).

The spelling of 3398518059049 in words is "three trillion, three hundred ninety-eight billion, five hundred eighteen million, fifty-nine thousand, forty-nine".