6404129498 has 16 divisors (see below), whose sum is σ = 10359086976. Its totient is φ = 2951765040.

The previous prime is 6404129491. The next prime is 6404129503. The reversal of 6404129498 is 8949214046.

It is not an unprimeable number, because it can be changed into a prime (6404129491) 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, 146438 + ... + 185073.

It is an arithmetic number, because the mean of its divisors is an integer number (647442936).

Almost surely, 2^6404129498 is an apocalyptic number.

6404129498 is a deficient number, since it is larger than the sum of its proper divisors (3954957478).

6404129498 is a wasteful number, since it uses less digits than its factorization.

6404129498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332269.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 6404129498 is about 80025.8052005726. The cubic root of 6404129498 is about 1857.0347690866.

It can be divided in two parts, 64041 and 29498, that added together give a palindrome (93539).

The spelling of 6404129498 in words is "six billion, four hundred four million, one hundred twenty-nine thousand, four hundred ninety-eight".