35791994881 has 8 divisors (see below), whose sum is σ = 36774498024. Its totient is φ = 34810289280.

The previous prime is 35791994873. The next prime is 35791994897. The reversal of 35791994881 is 18849919753.

It can be written as a sum of positive squares in 4 ways, for example, as 12206714256 + 23585280625 = 110484^2 + 153575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 35791994881 - 2³ = 35791994873 is a prime.

It is a super-2 number, since 2×35791994881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (35791994081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107830 + ... + 288463.

It is an arithmetic number, because the mean of its divisors is an integer number (4596812253).

Almost surely, 2^35791994881 is an apocalyptic number.

It is an amenable number.

35791994881 is a deficient number, since it is larger than the sum of its proper divisors (982503143).

35791994881 is a wasteful number, since it uses less digits than its factorization.

35791994881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398771.

The product of its digits is 19595520, while the sum is 64.

The spelling of 35791994881 in words is "thirty-five billion, seven hundred ninety-one million, nine hundred ninety-four thousand, eight hundred eighty-one".