43354753613 has 2 divisors, whose sum is σ = 43354753614. Its totient is φ = 43354753612.

The previous prime is 43354753579. The next prime is 43354753657. The reversal of 43354753613 is 31635745334.

It is an a-pointer prime, because the next prime (43354753657) can be obtained adding 43354753613 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36044161609 + 7310592004 = 189853^2 + 85502^2 .

It is a cyclic number.

It is not a de Polignac number, because 43354753613 - 2⁶ = 43354753549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43354753313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21677376806 + 21677376807.

It is an arithmetic number, because the mean of its divisors is an integer number (21677376807).

Almost surely, 2^43354753613 is an apocalyptic number.

It is an amenable number.

43354753613 is a deficient number, since it is larger than the sum of its proper divisors (1).

43354753613 is an equidigital number, since it uses as much as digits as its factorization.

43354753613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 44.

The spelling of 43354753613 in words is "forty-three billion, three hundred fifty-four million, seven hundred fifty-three thousand, six hundred thirteen".