4046964639 has 16 divisors (see below), whose sum is σ = 5518108800. Its totient is φ = 2637410336.

The previous prime is 4046964629. The next prime is 4046964659. The reversal of 4046964639 is 9364696404.

It is a cyclic number.

It is not a de Polignac number, because 4046964639 - 2⁷ = 4046964511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4046964591 and 4046964600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4046964629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32184 + ... + 95549.

It is an arithmetic number, because the mean of its divisors is an integer number (344881800).

Almost surely, 2^4046964639 is an apocalyptic number.

4046964639 is a deficient number, since it is larger than the sum of its proper divisors (1471144161).

4046964639 is a wasteful number, since it uses less digits than its factorization.

4046964639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127974.

The product of its (nonzero) digits is 3359232, while the sum is 51.

The square root of 4046964639 is about 63615.7577884599. The cubic root of 4046964639 is about 1593.5895379056.

The spelling of 4046964639 in words is "four billion, forty-six million, nine hundred sixty-four thousand, six hundred thirty-nine".