649433275147 has 2 divisors, whose sum is σ = 649433275148. Its totient is φ = 649433275146.

The previous prime is 649433275093. The next prime is 649433275157. The reversal of 649433275147 is 741572334946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 649433275147 - 2¹⁹ = 649432750859 is a prime.

It is not a weakly prime, because it can be changed into another prime (649433275157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324716637573 + 324716637574.

It is an arithmetic number, because the mean of its divisors is an integer number (324716637574).

Almost surely, 2^649433275147 is an apocalyptic number.

649433275147 is a deficient number, since it is larger than the sum of its proper divisors (1).

649433275147 is an equidigital number, since it uses as much as digits as its factorization.

649433275147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 55.

The spelling of 649433275147 in words is "six hundred forty-nine billion, four hundred thirty-three million, two hundred seventy-five thousand, one hundred forty-seven".