6461429015 has 32 divisors (see below), whose sum is σ = 7986154176. Its totient is φ = 5016693760.

The previous prime is 6461428997. The next prime is 6461429027. The reversal of 6461429015 is 5109241646.

It is not a de Polignac number, because 6461429015 - 2⁶ = 6461428951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6461429015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14015885 + ... + 14016345.

It is an arithmetic number, because the mean of its divisors is an integer number (249567318).

Almost surely, 2^6461429015 is an apocalyptic number.

6461429015 is a deficient number, since it is larger than the sum of its proper divisors (1524725161).

6461429015 is a wasteful number, since it uses less digits than its factorization.

6461429015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 6461429015 is about 80383.0144682320. The cubic root of 6461429015 is about 1862.5568004538.

The spelling of 6461429015 in words is "six billion, four hundred sixty-one million, four hundred twenty-nine thousand, fifteen".