44135432513 has 2 divisors, whose sum is σ = 44135432514. Its totient is φ = 44135432512.

The previous prime is 44135432441. The next prime is 44135432567. The reversal of 44135432513 is 31523453144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42340469824 + 1794962689 = 205768^2 + 42367^2 .

It is a cyclic number.

It is not a de Polignac number, because 44135432513 - 2¹⁰ = 44135431489 is a prime.

It is not a weakly prime, because it can be changed into another prime (44135431513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22067716256 + 22067716257.

It is an arithmetic number, because the mean of its divisors is an integer number (22067716257).

Almost surely, 2^44135432513 is an apocalyptic number.

It is an amenable number.

44135432513 is a deficient number, since it is larger than the sum of its proper divisors (1).

44135432513 is an equidigital number, since it uses as much as digits as its factorization.

44135432513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 35.

Adding to 44135432513 its reverse (31523453144), we get a palindrome (75658885657).

The spelling of 44135432513 in words is "forty-four billion, one hundred thirty-five million, four hundred thirty-two thousand, five hundred thirteen".