35857749545 has 8 divisors (see below), whose sum is σ = 45560434824. Its totient is φ = 26998776064.

The previous prime is 35857749541. The next prime is 35857749581. The reversal of 35857749545 is 54594775853.

It can be written as a sum of positive squares in 4 ways, for example, as 475763344 + 35381986201 = 21812^2 + 188101^2 .

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 35857749545 - 2² = 35857749541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35857749541) 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, 210927854 + ... + 210928023.

It is an arithmetic number, because the mean of its divisors is an integer number (5695054353).

Almost surely, 2^35857749545 is an apocalyptic number.

It is an amenable number.

35857749545 is a deficient number, since it is larger than the sum of its proper divisors (9702685279).

35857749545 is a wasteful number, since it uses less digits than its factorization.

35857749545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421855899.

The product of its digits is 105840000, while the sum is 62.

The spelling of 35857749545 in words is "thirty-five billion, eight hundred fifty-seven million, seven hundred forty-nine thousand, five hundred forty-five".