8405973694046 has 4 divisors (see below), whose sum is σ = 12608960541072. Its totient is φ = 4202986847022.

The previous prime is 8405973694039. The next prime is 8405973694067. The reversal of 8405973694046 is 6404963795048.

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

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, 2101493423510 + ... + 2101493423513.

It is an arithmetic number, because the mean of its divisors is an integer number (3152240135268).

Almost surely, 2^{8405973694046} is an apocalyptic number.

8405973694046 is a deficient number, since it is larger than the sum of its proper divisors (4202986847026).

8405973694046 is a wasteful number, since it uses less digits than its factorization.

8405973694046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202986847025.

The product of its (nonzero) digits is 156764160, while the sum is 65.

It can be divided in two parts, 8405973 and 694046, that added together give a palindrome (9100019).

The spelling of 8405973694046 in words is "eight trillion, four hundred five billion, nine hundred seventy-three million, six hundred ninety-four thousand, forty-six".