6248139429 has 8 divisors (see below), whose sum is σ = 9520974400. Its totient is φ = 3570365376.

The previous prime is 6248139427. The next prime is 6248139433. The reversal of 6248139429 is 9249318426.

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

It is not a de Polignac number, because 6248139429 - 2¹ = 6248139427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6248139427) 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, 148765204 + ... + 148765245.

It is an arithmetic number, because the mean of its divisors is an integer number (1190121800).

Almost surely, 2^6248139429 is an apocalyptic number.

It is an amenable number.

6248139429 is a deficient number, since it is larger than the sum of its proper divisors (3272834971).

6248139429 is a wasteful number, since it uses less digits than its factorization.

6248139429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297530459.

The product of its digits is 746496, while the sum is 48.

The square root of 6248139429 is about 79045.1733441075. The cubic root of 6248139429 is about 1841.8329471216.

The spelling of 6248139429 in words is "six billion, two hundred forty-eight million, one hundred thirty-nine thousand, four hundred twenty-nine".