67448998263 has 32 divisors (see below), whose sum is σ = 98817802240. Its totient is φ = 40768479360.

The previous prime is 67448998223. The next prime is 67448998273. The reversal of 67448998263 is 36289984476.

It is a de Polignac number, because none of the positive numbers 2^k-67448998263 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67448998194 and 67448998203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67448998213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133495 + ... + 390792.

It is an arithmetic number, because the mean of its divisors is an integer number (3088056320).

Almost surely, 2^67448998263 is an apocalyptic number.

67448998263 is a deficient number, since it is larger than the sum of its proper divisors (31368803977).

67448998263 is a wasteful number, since it uses less digits than its factorization.

67448998263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524407.

The product of its digits is 125411328, while the sum is 66.

The spelling of 67448998263 in words is "sixty-seven billion, four hundred forty-eight million, nine hundred ninety-eight thousand, two hundred sixty-three".