45436311643 has 16 divisors (see below), whose sum is σ = 48965666400. Its totient is φ = 42074072320.

The previous prime is 45436311631. The next prime is 45436311649. The reversal of 45436311643 is 34611363454.

It is not a de Polignac number, because 45436311643 - 2⁵ = 45436311611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45436311596 and 45436311605.

It is not an unprimeable number, because it can be changed into a prime (45436311649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253696 + ... + 393997.

It is an arithmetic number, because the mean of its divisors is an integer number (3060354150).

Almost surely, 2^45436311643 is an apocalyptic number.

45436311643 is a deficient number, since it is larger than the sum of its proper divisors (3529354757).

45436311643 is a wasteful number, since it uses less digits than its factorization.

45436311643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647822.

The product of its digits is 311040, while the sum is 40.

The spelling of 45436311643 in words is "forty-five billion, four hundred thirty-six million, three hundred eleven thousand, six hundred forty-three".