45353434561 has 4 divisors (see below), whose sum is σ = 45415309012. Its totient is φ = 45291560112.

The previous prime is 45353434559. The next prime is 45353434627. The reversal of 45353434561 is 16543435354.

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 21987254961 + 23366179600 = 148281^2 + 152860^2 .

It is a cyclic number.

It is not a de Polignac number, because 45353434561 - 2¹ = 45353434559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45353434531) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30936126 + ... + 30937591.

It is an arithmetic number, because the mean of its divisors is an integer number (11353827253).

Almost surely, 2^45353434561 is an apocalyptic number.

It is an amenable number.

45353434561 is a deficient number, since it is larger than the sum of its proper divisors (61874451).

45353434561 is an equidigital number, since it uses as much as digits as its factorization.

45353434561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61874450.

The product of its digits is 1296000, while the sum is 43.

The spelling of 45353434561 in words is "forty-five billion, three hundred fifty-three million, four hundred thirty-four thousand, five hundred sixty-one".