2147247861527 has 2 divisors, whose sum is σ = 2147247861528. Its totient is φ = 2147247861526.

The previous prime is 2147247861467. The next prime is 2147247861557. The reversal of 2147247861527 is 7251687427412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2147247861527 - 2²⁴ = 2147231084311 is a prime.

It is a super-2 number, since 2×2147247861527² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2147247861557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073623930763 + 1073623930764.

It is an arithmetic number, because the mean of its divisors is an integer number (1073623930764).

Almost surely, 2^{2147247861527} is an apocalyptic number.

2147247861527 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147247861527 is an equidigital number, since it uses as much as digits as its factorization.

2147247861527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10536960, while the sum is 56.

The spelling of 2147247861527 in words is "two trillion, one hundred forty-seven billion, two hundred forty-seven million, eight hundred sixty-one thousand, five hundred twenty-seven".