5837501981 has 2 divisors, whose sum is σ = 5837501982. Its totient is φ = 5837501980.

The previous prime is 5837501953. The next prime is 5837502043. The reversal of 5837501981 is 1891057385.

It is a happy number.

5837501981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5831765956 + 5736025 = 76366^2 + 2395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5837501981 is a prime.

It is a super-2 number, since 2×5837501981² = 68152858756357848722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5837501921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2918750990 + 2918750991.

It is an arithmetic number, because the mean of its divisors is an integer number (2918750991).

Almost surely, 2^5837501981 is an apocalyptic number.

It is an amenable number.

5837501981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5837501981 is an equidigital number, since it uses as much as digits as its factorization.

5837501981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 47.

The square root of 5837501981 is about 76403.5469137395. The cubic root of 5837501981 is about 1800.5658695158.

The spelling of 5837501981 in words is "five billion, eight hundred thirty-seven million, five hundred one thousand, nine hundred eighty-one".