67471252453 has 4 divisors (see below), whose sum is σ = 73605002688. Its totient is φ = 61337502220.

The previous prime is 67471252439. The next prime is 67471252463. The reversal of 67471252453 is 35425217476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67471252453 - 2²¹ = 67469155301 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 (67471252463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3066875101 + ... + 3066875122.

It is an arithmetic number, because the mean of its divisors is an integer number (18401250672).

Almost surely, 2^67471252453 is an apocalyptic number.

It is an amenable number.

67471252453 is a deficient number, since it is larger than the sum of its proper divisors (6133750235).

67471252453 is a wasteful number, since it uses less digits than its factorization.

67471252453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6133750234.

The product of its digits is 1411200, while the sum is 46.

The spelling of 67471252453 in words is "sixty-seven billion, four hundred seventy-one million, two hundred fifty-two thousand, four hundred fifty-three".