4021423136147 has 2 divisors, whose sum is σ = 4021423136148. Its totient is φ = 4021423136146.

The previous prime is 4021423136141. The next prime is 4021423136167. The reversal of 4021423136147 is 7416313241204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4021423136147 - 2²² = 4021418941843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4021423136147.

It is not a weakly prime, because it can be changed into another prime (4021423136141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010711568073 + 2010711568074.

It is an arithmetic number, because the mean of its divisors is an integer number (2010711568074).

Almost surely, 2^{4021423136147} is an apocalyptic number.

4021423136147 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021423136147 is an equidigital number, since it uses as much as digits as its factorization.

4021423136147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 4021423136147 in words is "four trillion, twenty-one billion, four hundred twenty-three million, one hundred thirty-six thousand, one hundred forty-seven".