67414896457 has 4 divisors (see below), whose sum is σ = 68520058756. Its totient is φ = 66309734160.

The previous prime is 67414896433. The next prime is 67414896541. The reversal of 67414896457 is 75469841476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20077756416 + 47337140041 = 141696^2 + 217571^2 .

It is a cyclic number.

It is not a de Polignac number, because 67414896457 - 2³⁵ = 33055158089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61), and also a Moran number because the ratio is a prime number: 1105162237 = 67414896457 / (6 + 7 + 4 + 1 + 4 + 8 + 9 + 6 + 4 + 5 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67414896395 and 67414896404.

It is not an unprimeable number, because it can be changed into a prime (67414896257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552581058 + ... + 552581179.

It is an arithmetic number, because the mean of its divisors is an integer number (17130014689).

Almost surely, 2^67414896457 is an apocalyptic number.

It is an amenable number.

67414896457 is a deficient number, since it is larger than the sum of its proper divisors (1105162299).

67414896457 is a wasteful number, since it uses less digits than its factorization.

67414896457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105162298.

The product of its digits is 40642560, while the sum is 61.

The spelling of 67414896457 in words is "sixty-seven billion, four hundred fourteen million, eight hundred ninety-six thousand, four hundred fifty-seven".