6429009487 has 2 divisors, whose sum is σ = 6429009488. Its totient is φ = 6429009486.

The previous prime is 6429009463. The next prime is 6429009491. The reversal of 6429009487 is 7849009246.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6429009487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6429009487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6429004487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214504743 + 3214504744.

It is an arithmetic number, because the mean of its divisors is an integer number (3214504744).

Almost surely, 2^6429009487 is an apocalyptic number.

6429009487 is a deficient number, since it is larger than the sum of its proper divisors (1).

6429009487 is an equidigital number, since it uses as much as digits as its factorization.

6429009487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 6429009487 is about 80181.1043014500. The cubic root of 6429009487 is about 1859.4365163074.

The spelling of 6429009487 in words is "six billion, four hundred twenty-nine million, nine thousand, four hundred eighty-seven".