629649846547 has 2 divisors, whose sum is σ = 629649846548. Its totient is φ = 629649846546.

The previous prime is 629649846521. The next prime is 629649846557. The reversal of 629649846547 is 745648946926.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 629649846547 - 2³¹ = 627502362899 is a prime.

It is not a weakly prime, because it can be changed into another prime (629649846557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314824923273 + 314824923274.

It is an arithmetic number, because the mean of its divisors is an integer number (314824923274).

Almost surely, 2^629649846547 is an apocalyptic number.

629649846547 is a deficient number, since it is larger than the sum of its proper divisors (1).

629649846547 is an equidigital number, since it uses as much as digits as its factorization.

629649846547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 627056640, while the sum is 70.

The spelling of 629649846547 in words is "six hundred twenty-nine billion, six hundred forty-nine million, eight hundred forty-six thousand, five hundred forty-seven".