67408543025 has 12 divisors (see below), whose sum is σ = 83756846064. Its totient is φ = 53816994000.

The previous prime is 67408543009. The next prime is 67408543049. The reversal of 67408543025 is 52034580476.

It is not a de Polignac number, because 67408543025 - 2⁴ = 67408543009 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, 2733491 + ... + 2758040.

It is an arithmetic number, because the mean of its divisors is an integer number (6979737172).

Almost surely, 2^67408543025 is an apocalyptic number.

It is an amenable number.

67408543025 is a deficient number, since it is larger than the sum of its proper divisors (16348303039).

67408543025 is a wasteful number, since it uses less digits than its factorization.

67408543025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492032 (or 5492027 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 67408543025 in words is "sixty-seven billion, four hundred eight million, five hundred forty-three thousand, twenty-five".