445779752959 has 4 divisors (see below), whose sum is σ = 469241845240. Its totient is φ = 422317660680.

The previous prime is 445779752923. The next prime is 445779752963. The reversal of 445779752959 is 959257977544.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445779752959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445779752891 and 445779752900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445779752969) 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, 11731046112 + ... + 11731046149.

It is an arithmetic number, because the mean of its divisors is an integer number (117310461310).

Almost surely, 2^445779752959 is an apocalyptic number.

445779752959 is a deficient number, since it is larger than the sum of its proper divisors (23462092281).

445779752959 is a wasteful number, since it uses less digits than its factorization.

445779752959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23462092280.

The product of its digits is 1000188000, while the sum is 73.

The spelling of 445779752959 in words is "four hundred forty-five billion, seven hundred seventy-nine million, seven hundred fifty-two thousand, nine hundred fifty-nine".