7050713031581 has 2 divisors, whose sum is σ = 7050713031582. Its totient is φ = 7050713031580.

The previous prime is 7050713031539. The next prime is 7050713031587. The reversal of 7050713031581 is 1851303170507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7034960522500 + 15752509081 = 2652350^2 + 125509^2 .

It is a cyclic number.

It is not a de Polignac number, because 7050713031581 - 2⁶ = 7050713031517 is a prime.

It is a super-2 number, since 2×7050713031581² (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 (7050713031587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3525356515790 + 3525356515791.

It is an arithmetic number, because the mean of its divisors is an integer number (3525356515791).

Almost surely, 2^{7050713031581} is an apocalyptic number.

It is an amenable number.

7050713031581 is a deficient number, since it is larger than the sum of its proper divisors (1).

7050713031581 is an equidigital number, since it uses as much as digits as its factorization.

7050713031581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 7050713031581 in words is "seven trillion, fifty billion, seven hundred thirteen million, thirty-one thousand, five hundred eighty-one".