27351630623 has 2 divisors, whose sum is σ = 27351630624. Its totient is φ = 27351630622.

The previous prime is 27351630611. The next prime is 27351630661. The reversal of 27351630623 is 32603615372.

It is an a-pointer prime, because the next prime (27351630661) can be obtained adding 27351630623 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27351630623 - 2²⁴ = 27334853407 is a prime.

It is a super-2 number, since 2×27351630623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27351630223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13675815311 + 13675815312.

It is an arithmetic number, because the mean of its divisors is an integer number (13675815312).

Almost surely, 2^27351630623 is an apocalyptic number.

27351630623 is a deficient number, since it is larger than the sum of its proper divisors (1).

27351630623 is an equidigital number, since it uses as much as digits as its factorization.

27351630623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 27351630623 in words is "twenty-seven billion, three hundred fifty-one million, six hundred thirty thousand, six hundred twenty-three".