6429397702 has 24 divisors (see below), whose sum is σ = 12081617856. Its totient is φ = 2543497488.

The previous prime is 6429397691. The next prime is 6429397721. The reversal of 6429397702 is 2077939246.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2522038 + ... + 2524585.

It is an arithmetic number, because the mean of its divisors is an integer number (503400744).

Almost surely, 2^6429397702 is an apocalyptic number.

6429397702 is a deficient number, since it is larger than the sum of its proper divisors (5652220154).

6429397702 is a wasteful number, since it uses less digits than its factorization.

6429397702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046652 (or 5046645 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 49.

The square root of 6429397702 is about 80183.5251282955. The cubic root of 6429397702 is about 1859.4739428410.

The spelling of 6429397702 in words is "six billion, four hundred twenty-nine million, three hundred ninety-seven thousand, seven hundred two".