42651590027 has 2 divisors, whose sum is σ = 42651590028. Its totient is φ = 42651590026.

The previous prime is 42651590017. The next prime is 42651590041. The reversal of 42651590027 is 72009515624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42651590027 - 2¹⁸ = 42651327883 is a prime.

It is not a weakly prime, because it can be changed into another prime (42651590017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21325795013 + 21325795014.

It is an arithmetic number, because the mean of its divisors is an integer number (21325795014).

Almost surely, 2^42651590027 is an apocalyptic number.

42651590027 is a deficient number, since it is larger than the sum of its proper divisors (1).

42651590027 is an equidigital number, since it uses as much as digits as its factorization.

42651590027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 42651590027 in words is "forty-two billion, six hundred fifty-one million, five hundred ninety thousand, twenty-seven".