5373626981 has 2 divisors, whose sum is σ = 5373626982. Its totient is φ = 5373626980.

The previous prime is 5373626963. The next prime is 5373626989. The reversal of 5373626981 is 1896263735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2897668900 + 2475958081 = 53830^2 + 49759^2 .

It is a cyclic number.

It is not a de Polignac number, because 5373626981 - 2¹⁸ = 5373364837 is a prime.

It is a super-2 number, since 2×5373626981² = 57751733861862348722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5373626989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2686813490 + 2686813491.

It is an arithmetic number, because the mean of its divisors is an integer number (2686813491).

Almost surely, 2^5373626981 is an apocalyptic number.

It is an amenable number.

5373626981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5373626981 is an equidigital number, since it uses as much as digits as its factorization.

5373626981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 50.

The square root of 5373626981 is about 73305.0269831476. The cubic root of 5373626981 is about 1751.5498630075.

The spelling of 5373626981 in words is "five billion, three hundred seventy-three million, six hundred twenty-six thousand, nine hundred eighty-one".