953849569381 has 2 divisors, whose sum is σ = 953849569382. Its totient is φ = 953849569380.

The previous prime is 953849569313. The next prime is 953849569391. The reversal of 953849569381 is 183965948359.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 633313556100 + 320536013281 = 795810^2 + 566159^2 .

It is a cyclic number.

It is not a de Polignac number, because 953849569381 - 2⁹ = 953849568869 is a prime.

It is a super-2 number, since 2×953849569381² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 953849569381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (953849569301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476924784690 + 476924784691.

It is an arithmetic number, because the mean of its divisors is an integer number (476924784691).

Almost surely, 2^953849569381 is an apocalyptic number.

It is an amenable number.

953849569381 is a deficient number, since it is larger than the sum of its proper divisors (1).

953849569381 is an equidigital number, since it uses as much as digits as its factorization.

953849569381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 251942400, while the sum is 70.

The spelling of 953849569381 in words is "nine hundred fifty-three billion, eight hundred forty-nine million, five hundred sixty-nine thousand, three hundred eighty-one".