35020944728881 has 4 divisors (see below), whose sum is σ = 35028439050852. Its totient is φ = 35013450406912.

The previous prime is 35020944728857. The next prime is 35020944728899. The reversal of 35020944728881 is 18882744902053.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32560250533281 + 2460694195600 = 5706159^2 + 1568660^2 .

It is a cyclic number.

It is not a de Polignac number, because 35020944728881 - 2⁷ = 35020944728753 is a prime.

It is a super-2 number, since 2×35020944728881² (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 (35020944725881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3747153976 + ... + 3747163321.

It is an arithmetic number, because the mean of its divisors is an integer number (8757109762713).

Almost surely, 2^{35020944728881} is an apocalyptic number.

It is an amenable number.

35020944728881 is a deficient number, since it is larger than the sum of its proper divisors (7494321971).

35020944728881 is an equidigital number, since it uses as much as digits as its factorization.

35020944728881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7494321970.

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 35020944728881 in words is "thirty-five trillion, twenty billion, nine hundred forty-four million, seven hundred twenty-eight thousand, eight hundred eighty-one".