67261345429 has 12 divisors (see below), whose sum is σ = 70384972896. Its totient is φ = 64270992632.

The previous prime is 67261345397. The next prime is 67261345453. The reversal of 67261345429 is 92454316276.

It is not a de Polignac number, because 67261345429 - 2⁵ = 67261345397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67261345499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455334 + ... + 584680.

It is an arithmetic number, because the mean of its divisors is an integer number (5865414408).

Almost surely, 2^67261345429 is an apocalyptic number.

It is an amenable number.

67261345429 is a deficient number, since it is larger than the sum of its proper divisors (3123627467).

67261345429 is a wasteful number, since it uses less digits than its factorization.

67261345429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130376 (or 130353 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The spelling of 67261345429 in words is "sixty-seven billion, two hundred sixty-one million, three hundred forty-five thousand, four hundred twenty-nine".