43048765036861 has 2 divisors, whose sum is σ = 43048765036862. Its totient is φ = 43048765036860.

The previous prime is 43048765036853. The next prime is 43048765036939. The reversal of 43048765036861 is 16863056784034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36672483519961 + 6376281516900 = 6055781^2 + 2525130^2 .

It is a cyclic number.

It is not a de Polignac number, because 43048765036861 - 2³ = 43048765036853 is a prime.

It is a super-3 number, since 3×43048765036861³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43048765036861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43048715036861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21524382518430 + 21524382518431.

It is an arithmetic number, because the mean of its divisors is an integer number (21524382518431).

Almost surely, 2^{43048765036861} is an apocalyptic number.

It is an amenable number.

43048765036861 is a deficient number, since it is larger than the sum of its proper divisors (1).

43048765036861 is an equidigital number, since it uses as much as digits as its factorization.

43048765036861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69672960, while the sum is 61.

The spelling of 43048765036861 in words is "forty-three trillion, forty-eight billion, seven hundred sixty-five million, thirty-six thousand, eight hundred sixty-one".