42213030947 has 2 divisors, whose sum is σ = 42213030948. Its totient is φ = 42213030946.

The previous prime is 42213030943. The next prime is 42213030971. The reversal of 42213030947 is 74903031224.

42213030947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42213030947 - 2² = 42213030943 is a prime.

It is not a weakly prime, because it can be changed into another prime (42213030943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21106515473 + 21106515474.

It is an arithmetic number, because the mean of its divisors is an integer number (21106515474).

Almost surely, 2^42213030947 is an apocalyptic number.

42213030947 is a deficient number, since it is larger than the sum of its proper divisors (1).

42213030947 is an equidigital number, since it uses as much as digits as its factorization.

42213030947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 42213030947 in words is "forty-two billion, two hundred thirteen million, thirty thousand, nine hundred forty-seven".