42470887651 has 2 divisors, whose sum is σ = 42470887652. Its totient is φ = 42470887650.

The previous prime is 42470887649. The next prime is 42470887699. The reversal of 42470887651 is 15678807424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42470887651 - 2¹ = 42470887649 is a prime.

Together with 42470887649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42470887601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21235443825 + 21235443826.

It is an arithmetic number, because the mean of its divisors is an integer number (21235443826).

Almost surely, 2^42470887651 is an apocalyptic number.

42470887651 is a deficient number, since it is larger than the sum of its proper divisors (1).

42470887651 is an equidigital number, since it uses as much as digits as its factorization.

42470887651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 42470887651 in words is "forty-two billion, four hundred seventy million, eight hundred eighty-seven thousand, six hundred fifty-one".