445462120643 has 4 divisors (see below), whose sum is σ = 455821704888. Its totient is φ = 435102536400.

The previous prime is 445462120633. The next prime is 445462120657. The reversal of 445462120643 is 346021264544.

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

It is a cyclic number.

It is not a de Polignac number, because 445462120643 - 2²² = 445457926339 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 445462120643.

It is not an unprimeable number, because it can be changed into a prime (445462120603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5179792058 + ... + 5179792143.

It is an arithmetic number, because the mean of its divisors is an integer number (113955426222).

Almost surely, 2^445462120643 is an apocalyptic number.

445462120643 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

445462120643 is a deficient number, since it is larger than the sum of its proper divisors (10359584245).

445462120643 is a wasteful number, since it uses less digits than its factorization.

445462120643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10359584244.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 445462120643 in words is "four hundred forty-five billion, four hundred sixty-two million, one hundred twenty thousand, six hundred forty-three".