5310640007581 has 2 divisors, whose sum is σ = 5310640007582. Its totient is φ = 5310640007580.

The previous prime is 5310640007573. The next prime is 5310640007591. The reversal of 5310640007581 is 1857000460135.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5128254639225 + 182385368356 = 2264565^2 + 427066^2 .

It is a cyclic number.

It is not a de Polignac number, because 5310640007581 - 2³ = 5310640007573 is a prime.

It is a super-2 number, since 2×5310640007581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5310640007591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2655320003790 + 2655320003791.

It is an arithmetic number, because the mean of its divisors is an integer number (2655320003791).

Almost surely, 2^{5310640007581} is an apocalyptic number.

It is an amenable number.

5310640007581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5310640007581 is an equidigital number, since it uses as much as digits as its factorization.

5310640007581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 5310640007581 in words is "five trillion, three hundred ten billion, six hundred forty million, seven thousand, five hundred eighty-one".