6434842390 has 16 divisors (see below), whose sum is σ = 11599939008. Its totient is φ = 2570109696.

The previous prime is 6434842373. The next prime is 6434842409. The reversal of 6434842390 is 932484346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471342 + ... + 484801.

It is an arithmetic number, because the mean of its divisors is an integer number (724996188).

Almost surely, 2^6434842390 is an apocalyptic number.

6434842390 is a deficient number, since it is larger than the sum of its proper divisors (5165096618).

6434842390 is a wasteful number, since it uses less digits than its factorization.

6434842390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956823.

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 6434842390 is about 80217.4693567430. The cubic root of 6434842390 is about 1859.9986886721.

The spelling of 6434842390 in words is "six billion, four hundred thirty-four million, eight hundred forty-two thousand, three hundred ninety".