42641690047 has 16 divisors (see below), whose sum is σ = 47523677184. Its totient is φ = 37927828000.

The previous prime is 42641690027. The next prime is 42641690129. The reversal of 42641690047 is 74009614624.

It is a cyclic number.

It is not a de Polignac number, because 42641690047 - 2⁷ = 42641689919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42641689985 and 42641690012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42641690027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1777422 + ... + 1801252.

It is an arithmetic number, because the mean of its divisors is an integer number (2970229824).

Almost surely, 2^42641690047 is an apocalyptic number.

42641690047 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

42641690047 is a deficient number, since it is larger than the sum of its proper divisors (4881987137).

42641690047 is a wasteful number, since it uses less digits than its factorization.

42641690047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27350.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 42641690047 in words is "forty-two billion, six hundred forty-one million, six hundred ninety thousand, forty-seven".