35941331921881 has 9 divisors (see below), whose sum is σ = 36274753550973. Its totient is φ = 35610947460000.

The previous prime is 35941331921879. The next prime is 35941331921903. The reversal of 35941331921881 is 18812913314953.

The square root of 35941331921881 is 5995109.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 6975192641481 + 28966139280400 = 2641059^2 + 5382020^2 .

It is not a de Polignac number, because 35941331921881 - 2¹ = 35941331921879 is a prime.

It is a super-2 number, since 2×35941331921881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35941331921081) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 653439381 + ... + 653494381.

Almost surely, 2^{35941331921881} is an apocalyptic number.

35941331921881 is the 5995109-th square number.

35941331921881 is the 2997555-th centered octagonal number.

It is an amenable number.

35941331921881 is a deficient number, since it is larger than the sum of its proper divisors (333421629092).

35941331921881 is an frugal number, since it uses more digits than its factorization.

35941331921881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110220 (or 55110 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 58.

The spelling of 35941331921881 in words is "thirty-five trillion, nine hundred forty-one billion, three hundred thirty-one million, nine hundred twenty-one thousand, eight hundred eighty-one".