755400020047 has 2 divisors, whose sum is σ = 755400020048. Its totient is φ = 755400020046.

The previous prime is 755400020027. The next prime is 755400020087. The reversal of 755400020047 is 740020004557.

It is a weak prime.

It is an emirp because it is prime and its reverse (740020004557) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755400020047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 755400019994 and 755400020021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755400020027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377700010023 + 377700010024.

It is an arithmetic number, because the mean of its divisors is an integer number (377700010024).

Almost surely, 2^755400020047 is an apocalyptic number.

755400020047 is a deficient number, since it is larger than the sum of its proper divisors (1).

755400020047 is an equidigital number, since it uses as much as digits as its factorization.

755400020047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39200, while the sum is 34.

The spelling of 755400020047 in words is "seven hundred fifty-five billion, four hundred million, twenty thousand, forty-seven".