67331969485 has 16 divisors (see below), whose sum is σ = 88278698880. Its totient is φ = 48893688640.

The previous prime is 67331969449. The next prime is 67331969489. The reversal of 67331969485 is 58496913376.

It is a de Polignac number, because none of the positive numbers 2^k-67331969485 is a prime.

It is a super-2 number, since 2×67331969485² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67331969489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901465 + ... + 973294.

It is an arithmetic number, because the mean of its divisors is an integer number (5517418680).

Almost surely, 2^67331969485 is an apocalyptic number.

It is an amenable number.

67331969485 is a deficient number, since it is larger than the sum of its proper divisors (20946729395).

67331969485 is a wasteful number, since it uses less digits than its factorization.

67331969485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875428.

The product of its digits is 29393280, while the sum is 61.

The spelling of 67331969485 in words is "sixty-seven billion, three hundred thirty-one million, nine hundred sixty-nine thousand, four hundred eighty-five".