67649055724225 has 12 divisors (see below), whose sum is σ = 83953418530176. Its totient is φ = 54074993332880.

The previous prime is 67649055724219. The next prime is 67649055724319. The reversal of 67649055724225 is 52242755094676.

It is not a de Polignac number, because 67649055724225 - 2²⁷ = 67648921506497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1106249977 + ... + 1106311126.

It is an arithmetic number, because the mean of its divisors is an integer number (6996118210848).

Almost surely, 2^{67649055724225} is an apocalyptic number.

It is an amenable number.

67649055724225 is a deficient number, since it is larger than the sum of its proper divisors (16304362805951).

67649055724225 is a wasteful number, since it uses less digits than its factorization.

67649055724225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212562336 (or 2212562331 counting only the distinct ones).

The product of its (nonzero) digits is 254016000, while the sum is 64.

The spelling of 67649055724225 in words is "sixty-seven trillion, six hundred forty-nine billion, fifty-five million, seven hundred twenty-four thousand, two hundred twenty-five".