42367571647 has 2 divisors, whose sum is σ = 42367571648. Its totient is φ = 42367571646.

The previous prime is 42367571593. The next prime is 42367571651. The reversal of 42367571647 is 74617576324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42367571647 - 2¹¹ = 42367569599 is a prime.

It is a super-2 number, since 2×42367571647² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42367571594 and 42367571603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42367571657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21183785823 + 21183785824.

It is an arithmetic number, because the mean of its divisors is an integer number (21183785824).

Almost surely, 2^42367571647 is an apocalyptic number.

42367571647 is a deficient number, since it is larger than the sum of its proper divisors (1).

42367571647 is an equidigital number, since it uses as much as digits as its factorization.

42367571647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5927040, while the sum is 52.

The spelling of 42367571647 in words is "forty-two billion, three hundred sixty-seven million, five hundred seventy-one thousand, six hundred forty-seven".