49005532789 has 2 divisors, whose sum is σ = 49005532790. Its totient is φ = 49005532788.

The previous prime is 49005532781. The next prime is 49005532813. The reversal of 49005532789 is 98723550094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33786116100 + 15219416689 = 183810^2 + 123367^2 .

It is a cyclic number.

It is not a de Polignac number, because 49005532789 - 2³ = 49005532781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49005532781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24502766394 + 24502766395.

It is an arithmetic number, because the mean of its divisors is an integer number (24502766395).

Almost surely, 2^49005532789 is an apocalyptic number.

It is an amenable number.

49005532789 is a deficient number, since it is larger than the sum of its proper divisors (1).

49005532789 is an equidigital number, since it uses as much as digits as its factorization.

49005532789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 49005532789 in words is "forty-nine billion, five million, five hundred thirty-two thousand, seven hundred eighty-nine".