43075550479939 has 2 divisors, whose sum is σ = 43075550479940. Its totient is φ = 43075550479938.

The previous prime is 43075550479931. The next prime is 43075550479943. The reversal of 43075550479939 is 93997405557034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43075550479939 - 2³ = 43075550479931 is a prime.

It is not a weakly prime, because it can be changed into another prime (43075550479931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21537775239969 + 21537775239970.

It is an arithmetic number, because the mean of its divisors is an integer number (21537775239970).

Almost surely, 2^{43075550479939} is an apocalyptic number.

43075550479939 is a deficient number, since it is larger than the sum of its proper divisors (1).

43075550479939 is an equidigital number, since it uses as much as digits as its factorization.

43075550479939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 642978000, while the sum is 70.

The spelling of 43075550479939 in words is "forty-three trillion, seventy-five billion, five hundred fifty million, four hundred seventy-nine thousand, nine hundred thirty-nine".