6139619293 has 4 divisors (see below), whose sum is σ = 6187962880. Its totient is φ = 6091275708.

The previous prime is 6139619267. The next prime is 6139619323. The reversal of 6139619293 is 3929169316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6139619293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139610293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24171603 + ... + 24171856.

It is an arithmetic number, because the mean of its divisors is an integer number (1546990720).

Almost surely, 2^6139619293 is an apocalyptic number.

It is an amenable number.

6139619293 is a deficient number, since it is larger than the sum of its proper divisors (48343587).

6139619293 is a wasteful number, since it uses less digits than its factorization.

6139619293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48343586.

The product of its digits is 472392, while the sum is 49.

The square root of 6139619293 is about 78355.7227839805. The cubic root of 6139619293 is about 1831.1073844400.

The spelling of 6139619293 in words is "six billion, one hundred thirty-nine million, six hundred nineteen thousand, two hundred ninety-three".