6148439698 has 8 divisors (see below), whose sum is σ = 9540682380. Its totient is φ = 2968212240.

The previous prime is 6148439683. The next prime is 6148439699. The reversal of 6148439698 is 8969348416.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6146089609 + 2350089 = 78397^2 + 1533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (58), and also a Moran number because the ratio is a prime number: 106007581 = 6148439698 / (6 + 1 + 4 + 8 + 4 + 3 + 9 + 6 + 9 + 8).

It is not an unprimeable number, because it can be changed into a prime (6148439699) 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, 53003733 + ... + 53003848.

Almost surely, 2^6148439698 is an apocalyptic number.

6148439698 is a deficient number, since it is larger than the sum of its proper divisors (3392242682).

6148439698 is a wasteful number, since it uses less digits than its factorization.

6148439698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106007612.

The product of its digits is 8957952, while the sum is 58.

The square root of 6148439698 is about 78411.9869535264. The cubic root of 6148439698 is about 1831.9838438044.

The spelling of 6148439698 in words is "six billion, one hundred forty-eight million, four hundred thirty-nine thousand, six hundred ninety-eight".