442763961019 has 4 divisors (see below), whose sum is σ = 444601156120. Its totient is φ = 440926765920.

The previous prime is 442763961001. The next prime is 442763961071. The reversal of 442763961019 is 910169367244.

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 442763961019 - 2²³ = 442755572411 is a prime.

It is a super-2 number, since 2×442763961019² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442763961119) 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, 918597189 + ... + 918597670.

It is an arithmetic number, because the mean of its divisors is an integer number (111150289030).

Almost surely, 2^442763961019 is an apocalyptic number.

442763961019 is a deficient number, since it is larger than the sum of its proper divisors (1837195101).

442763961019 is a wasteful number, since it uses less digits than its factorization.

442763961019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837195100.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 442763961019 in words is "four hundred forty-two billion, seven hundred sixty-three million, nine hundred sixty-one thousand, nineteen".