6446702076446 has 4 divisors (see below), whose sum is σ = 9670053114672. Its totient is φ = 3223351038222.

The previous prime is 6446702076413. The next prime is 6446702076473.

It is a happy number.

6446702076446 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 6446702076391 and 6446702076400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611675519110 + ... + 1611675519113.

It is an arithmetic number, because the mean of its divisors is an integer number (2417513278668).

Almost surely, 2^{6446702076446} is an apocalyptic number.

6446702076446 is a deficient number, since it is larger than the sum of its proper divisors (3223351038226).

6446702076446 is a wasteful number, since it uses less digits than its factorization.

6446702076446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223351038225.

The product of its (nonzero) digits is 32514048, while the sum is 56.

The spelling of 6446702076446 in words is "six trillion, four hundred forty-six billion, seven hundred two million, seventy-six thousand, four hundred forty-six".