673754657899 has 2 divisors, whose sum is σ = 673754657900. Its totient is φ = 673754657898.

The previous prime is 673754657887. The next prime is 673754657923. The reversal of 673754657899 is 998756457376.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673754657899 is a prime.

It is not a weakly prime, because it can be changed into another prime (673754657819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336877328949 + 336877328950.

It is an arithmetic number, because the mean of its divisors is an integer number (336877328950).

Almost surely, 2^673754657899 is an apocalyptic number.

673754657899 is a deficient number, since it is larger than the sum of its proper divisors (1).

673754657899 is an equidigital number, since it uses as much as digits as its factorization.

673754657899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400451200, while the sum is 76.

It can be divided in two parts, 67375 and 4657899, that added together give a palindrome (4725274).

The spelling of 673754657899 in words is "six hundred seventy-three billion, seven hundred fifty-four million, six hundred fifty-seven thousand, eight hundred ninety-nine".