5973898681 has 3 divisors (see below), whose sum is σ = 5973975973. Its totient is φ = 5973821390.

The previous prime is 5973898663. The next prime is 5973898747. The reversal of 5973898681 is 1868983795.

The square root of 5973898681 is 77291.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 5973898681 - 2¹⁵ = 5973865913 is a prime.

It is a super-2 number, since 2×5973898681² = 71374930901707079522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5973898631) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 38646 + ... + 115936.

Almost surely, 2^5973898681 is an apocalyptic number.

5973898681 is the 77291-st square number.

5973898681 is the 38646-th centered octagonal number.

It is an amenable number.

5973898681 is a deficient number, since it is larger than the sum of its proper divisors (77292).

5973898681 is an frugal number, since it uses more digits than its factorization.

5973898681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154582 (or 77291 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 64.

The cubic root of 5973898681 is about 1814.4818046746.

Multiplying 5973898681 by its sum of digits (64), we get a square (382329515584 = 618328²).

The spelling of 5973898681 in words is "five billion, nine hundred seventy-three million, eight hundred ninety-eight thousand, six hundred eighty-one".