3249129438 has 24 divisors (see below), whose sum is σ = 7108131888. Its totient is φ = 1072527552.

The previous prime is 3249129421. The next prime is 3249129449. The reversal of 3249129438 is 8349219423.

3249129438 is a `hidden beast` number, since 324 + 9 + 1 + 294 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3249129393 and 3249129402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 874395 + ... + 878102.

It is an arithmetic number, because the mean of its divisors is an integer number (296172162).

Almost surely, 2^3249129438 is an apocalyptic number.

3249129438 is an abundant number, since it is smaller than the sum of its proper divisors (3859002450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3249129438 is a wasteful number, since it uses less digits than its factorization.

3249129438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752608 (or 1752605 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 3249129438 is about 57001.1354097443. The cubic root of 3249129438 is about 1481.1157641106.

The spelling of 3249129438 in words is "three billion, two hundred forty-nine million, one hundred twenty-nine thousand, four hundred thirty-eight".