671647100147 has 2 divisors, whose sum is σ = 671647100148. Its totient is φ = 671647100146.

The previous prime is 671647100093. The next prime is 671647100177. The reversal of 671647100147 is 741001746176.

671647100147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671647100147 - 2⁶ = 671647100083 is a prime.

It is a super-2 number, since 2×671647100147² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 671647100098 and 671647100107.

It is not a weakly prime, because it can be changed into another prime (671647100177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335823550073 + 335823550074.

It is an arithmetic number, because the mean of its divisors is an integer number (335823550074).

Almost surely, 2^671647100147 is an apocalyptic number.

671647100147 is a deficient number, since it is larger than the sum of its proper divisors (1).

671647100147 is an equidigital number, since it uses as much as digits as its factorization.

671647100147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 671647100147 in words is "six hundred seventy-one billion, six hundred forty-seven million, one hundred thousand, one hundred forty-seven".