3146394519 has 12 divisors (see below), whose sum is σ = 4556245096. Its totient is φ = 2092310352.

The previous prime is 3146394499. The next prime is 3146394551. The reversal of 3146394519 is 9154936413.

3146394519 is a `hidden beast` number, since 3 + 1 + 4 + 639 + 4 + 5 + 1 + 9 = 666.

It is not a de Polignac number, because 3146394519 - 2¹¹ = 3146392471 is a prime.

It is a super-2 number, since 2×3146394519² = 19799596938386482722, 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 (3146394919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 436729 + ... + 443874.

Almost surely, 2^3146394519 is an apocalyptic number.

3146394519 is a deficient number, since it is larger than the sum of its proper divisors (1409850577).

3146394519 is a wasteful number, since it uses less digits than its factorization.

3146394519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881006 (or 881003 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 3146394519 is about 56092.7314275210. The cubic root of 3146394519 is about 1465.3377081039.

The spelling of 3146394519 in words is "three billion, one hundred forty-six million, three hundred ninety-four thousand, five hundred nineteen".