42437664047 has 2 divisors, whose sum is σ = 42437664048. Its totient is φ = 42437664046.

The previous prime is 42437664029. The next prime is 42437664089. The reversal of 42437664047 is 74046673424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42437664047 - 2¹⁴ = 42437647663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42437663992 and 42437664010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42437669047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21218832023 + 21218832024.

It is an arithmetic number, because the mean of its divisors is an integer number (21218832024).

Almost surely, 2^42437664047 is an apocalyptic number.

42437664047 is a deficient number, since it is larger than the sum of its proper divisors (1).

42437664047 is an equidigital number, since it uses as much as digits as its factorization.

42437664047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 47.

The spelling of 42437664047 in words is "forty-two billion, four hundred thirty-seven million, six hundred sixty-four thousand, forty-seven".