49071561223 has 2 divisors, whose sum is σ = 49071561224. Its totient is φ = 49071561222.

The previous prime is 49071561211. The next prime is 49071561313. The reversal of 49071561223 is 32216517094.

It is a happy number.

49071561223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49071561223 - 2⁹ = 49071560711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49071561523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24535780611 + 24535780612.

It is an arithmetic number, because the mean of its divisors is an integer number (24535780612).

Almost surely, 2^49071561223 is an apocalyptic number.

49071561223 is a deficient number, since it is larger than the sum of its proper divisors (1).

49071561223 is an equidigital number, since it uses as much as digits as its factorization.

49071561223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 49071561223 in words is "forty-nine billion, seventy-one million, five hundred sixty-one thousand, two hundred twenty-three".