42949840263 has 8 divisors (see below), whose sum is σ = 62472494976. Its totient is φ = 26030206200.

The previous prime is 42949840207. The next prime is 42949840267. The reversal of 42949840263 is 36204894924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42949840263 - 2¹³ = 42949832071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42949840267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650755123 + ... + 650755188.

It is an arithmetic number, because the mean of its divisors is an integer number (7809061872).

Almost surely, 2^42949840263 is an apocalyptic number.

42949840263 is a deficient number, since it is larger than the sum of its proper divisors (19522654713).

42949840263 is a wasteful number, since it uses less digits than its factorization.

42949840263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301510325.

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 42949840263 in words is "forty-two billion, nine hundred forty-nine million, eight hundred forty thousand, two hundred sixty-three".