35642473645 has 8 divisors (see below), whose sum is σ = 42802402680. Its totient is φ = 28493022720.

The previous prime is 35642473631. The next prime is 35642473651. The reversal of 35642473645 is 54637424653.

It can be written as a sum of positive squares in 4 ways, for example, as 7144644676 + 28497828969 = 84526^2 + 168813^2 .

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

It is not a de Polignac number, because 35642473645 - 2¹¹ = 35642471597 is a prime.

It is a super-3 number, since 3×35642473645³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2612040 + ... + 2625649.

It is an arithmetic number, because the mean of its divisors is an integer number (5350300335).

Almost surely, 2^35642473645 is an apocalyptic number.

It is an amenable number.

35642473645 is a deficient number, since it is larger than the sum of its proper divisors (7159929035).

35642473645 is a wasteful number, since it uses less digits than its factorization.

35642473645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5239055.

The product of its digits is 7257600, while the sum is 49.

The spelling of 35642473645 in words is "thirty-five billion, six hundred forty-two million, four hundred seventy-three thousand, six hundred forty-five".