3545640433 has 6 divisors (see below), whose sum is σ = 3604722342. Its totient is φ = 3487511520.

The previous prime is 3545640409. The next prime is 3545640443. The reversal of 3545640433 is 3340465453.

It can be written as a sum of positive squares in 3 ways, for example, as 480135744 + 3065504689 = 21912^2 + 55367^2 .

It is not a de Polignac number, because 3545640433 - 2²¹ = 3543543281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3545640392 and 3545640401.

It is not an unprimeable number, because it can be changed into a prime (3545640443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 472716 + ... + 480157.

It is an arithmetic number, because the mean of its divisors is an integer number (600787057).

Almost surely, 2^3545640433 is an apocalyptic number.

It is an amenable number.

3545640433 is a deficient number, since it is larger than the sum of its proper divisors (59081909).

3545640433 is an frugal number, since it uses more digits than its factorization.

3545640433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952995 (or 952934 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

The square root of 3545640433 is about 59545.2805266715. The cubic root of 3545640433 is about 1524.8655881534.

The spelling of 3545640433 in words is "three billion, five hundred forty-five million, six hundred forty thousand, four hundred thirty-three".