5434375861 has 2 divisors, whose sum is σ = 5434375862. Its totient is φ = 5434375860.

The previous prime is 5434375787. The next prime is 5434375879. The reversal of 5434375861 is 1685734345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5373769636 + 60606225 = 73306^2 + 7785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5434375861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5434375061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2717187930 + 2717187931.

It is an arithmetic number, because the mean of its divisors is an integer number (2717187931).

Almost surely, 2^5434375861 is an apocalyptic number.

It is an amenable number.

5434375861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5434375861 is an equidigital number, since it uses as much as digits as its factorization.

5434375861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 46.

The square root of 5434375861 is about 73718.2193287385. The cubic root of 5434375861 is about 1758.1255721001.

The spelling of 5434375861 in words is "five billion, four hundred thirty-four million, three hundred seventy-five thousand, eight hundred sixty-one".