42047865963 has 108 divisors (see below), whose sum is σ = 68962539240. Its totient is φ = 25316303760.

The previous prime is 42047865961. The next prime is 42047865971. The reversal of 42047865963 is 36956874024.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

42047865963 is a `hidden beast` number, since 4 + 2 + 0 + 47 + 8 + 6 + 596 + 3 = 666.

It is not a de Polignac number, because 42047865963 - 2¹ = 42047865961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42047865961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 627580056 + ... + 627580122.

It is an arithmetic number, because the mean of its divisors is an integer number (638542030).

Almost surely, 2^42047865963 is an apocalyptic number.

42047865963 is a deficient number, since it is larger than the sum of its proper divisors (26914673277).

42047865963 is an equidigital number, since it uses as much as digits as its factorization.

42047865963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 42047865963 in words is "forty-two billion, forty-seven million, eight hundred sixty-five thousand, nine hundred sixty-three".