5969035671921 has 27 divisors (see below), whose sum is σ = 10029690365643. Its totient is φ = 3410848208880.

The previous prime is 5969035671901. The next prime is 5969035671959. The reversal of 5969035671921 is 1291765309695.

The square root of 5969035671921 is 2443161.

It is a perfect power (a square), and thus also a powerful number.

5969035671921 is a `hidden beast` number, since 5 + 9 + 6 + 90 + 356 + 7 + 192 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4422444967521 + 1546590704400 = 2102961^2 + 1243620^2 .

It is not a de Polignac number, because 5969035671921 - 2⁵ = 5969035671889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5969035671901) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 51248211 + ... + 51364551.

Almost surely, 2^{5969035671921} is an apocalyptic number.

5969035671921 is the 2443161-st square number.

5969035671921 is the 1221581-st centered octagonal number.

It is an amenable number.

5969035671921 is a deficient number, since it is larger than the sum of its proper divisors (4060654693722).

5969035671921 is an frugal number, since it uses more digits than its factorization.

5969035671921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232702 (or 116351 counting only the distinct ones).

The product of its (nonzero) digits is 27556200, while the sum is 63.

The spelling of 5969035671921 in words is "five trillion, nine hundred sixty-nine billion, thirty-five million, six hundred seventy-one thousand, nine hundred twenty-one".