67271590969 has 16 divisors (see below), whose sum is σ = 77259836160. Its totient is φ = 57929634000.

The previous prime is 67271590927. The next prime is 67271590979. The reversal of 67271590969 is 96909517276.

67271590969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 67271590969 - 2¹⁷ = 67271459897 is a prime.

It is a super-2 number, since 2×67271590969² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67271590979) 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, 2059374 + ... + 2091784.

It is an arithmetic number, because the mean of its divisors is an integer number (4828739760).

Almost surely, 2^67271590969 is an apocalyptic number.

It is an amenable number.

67271590969 is a deficient number, since it is larger than the sum of its proper divisors (9988245191).

67271590969 is a wasteful number, since it uses less digits than its factorization.

67271590969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42372.

The product of its (nonzero) digits is 12859560, while the sum is 61.

It can be divided in two parts, 6727 and 1590969, that added together give a square (1597696 = 1264²).

The spelling of 67271590969 in words is "sixty-seven billion, two hundred seventy-one million, five hundred ninety thousand, nine hundred sixty-nine".