65273447673 has 168 divisors, whose sum is σ = 123158610432. Its totient is φ = 34343108352.

The previous prime is 65273447671. The next prime is 65273447693. The reversal of 65273447673 is 37674437256.

65273447673 is a `hidden beast` number, since 6 + 527 + 3 + 4 + 47 + 6 + 73 = 666.

It is not a de Polignac number, because 65273447673 - 2¹ = 65273447671 is a prime.

It is a super-2 number, since 2×65273447673² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65273447671) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 28539936 + ... + 28542222.

Almost surely, 2^65273447673 is an apocalyptic number.

65273447673 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

65273447673 is a deficient number, since it is larger than the sum of its proper divisors (57885162759).

65273447673 is a wasteful number, since it uses less digits than its factorization.

65273447673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383 (or 2361 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 54.

The spelling of 65273447673 in words is "sixty-five billion, two hundred seventy-three million, four hundred forty-seven thousand, six hundred seventy-three".