6471242542 has 16 divisors (see below), whose sum is σ = 10346842800. Its totient is φ = 3024850048.

The previous prime is 6471242537. The next prime is 6471242549. The reversal of 6471242542 is 2452421746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6471242549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633628 + ... + 643759.

It is an arithmetic number, because the mean of its divisors is an integer number (646677675).

Almost surely, 2^6471242542 is an apocalyptic number.

6471242542 is a deficient number, since it is larger than the sum of its proper divisors (3875600258).

6471242542 is a wasteful number, since it uses less digits than its factorization.

6471242542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277555.

The product of its digits is 107520, while the sum is 37.

The square root of 6471242542 is about 80444.0336010074. The cubic root of 6471242542 is about 1863.4992651225.

The spelling of 6471242542 in words is "six billion, four hundred seventy-one million, two hundred forty-two thousand, five hundred forty-two".