6139169445 has 8 divisors (see below), whose sum is σ = 9822671136. Its totient is φ = 3274223696.

The previous prime is 6139169423. The next prime is 6139169447. The reversal of 6139169445 is 5449619316.

It is a happy number.

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 6139169445 - 2¹³ = 6139161253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6139169394 and 6139169403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139169447) 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, 204638967 + ... + 204638996.

It is an arithmetic number, because the mean of its divisors is an integer number (1227833892).

Almost surely, 2^6139169445 is an apocalyptic number.

It is an amenable number.

6139169445 is a deficient number, since it is larger than the sum of its proper divisors (3683501691).

6139169445 is a wasteful number, since it uses less digits than its factorization.

6139169445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409277971.

The product of its digits is 699840, while the sum is 48.

The square root of 6139169445 is about 78352.8521816532. The cubic root of 6139169445 is about 1831.0626617911.

The spelling of 6139169445 in words is "six billion, one hundred thirty-nine million, one hundred sixty-nine thousand, four hundred forty-five".