67424091425 has 12 divisors (see below), whose sum is σ = 88523866476. Its totient is φ = 50766374400.

The previous prime is 67424091419. The next prime is 67424091437. The reversal of 67424091425 is 52419042476.

It can be written as a sum of positive squares in 6 ways, for example, as 1107025984 + 66317065441 = 33272^2 + 257521^2 .

It is not a de Polignac number, because 67424091425 - 2¹⁴ = 67424075041 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, 79322036 + ... + 79322885.

It is an arithmetic number, because the mean of its divisors is an integer number (7376988873).

Almost surely, 2^67424091425 is an apocalyptic number.

It is an amenable number.

67424091425 is a deficient number, since it is larger than the sum of its proper divisors (21099775051).

67424091425 is a wasteful number, since it uses less digits than its factorization.

67424091425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158644948 (or 158644943 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 67424091425 in words is "sixty-seven billion, four hundred twenty-four million, ninety-one thousand, four hundred twenty-five".