16263151049 has 2 divisors, whose sum is σ = 16263151050. Its totient is φ = 16263151048.

The previous prime is 16263151039. The next prime is 16263151063. The reversal of 16263151049 is 94015136261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8779690000 + 7483461049 = 93700^2 + 86507^2 .

It is a cyclic number.

It is not a de Polignac number, because 16263151049 - 2⁴ = 16263151033 is a prime.

It is not a weakly prime, because it can be changed into another prime (16263151039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8131575524 + 8131575525.

It is an arithmetic number, because the mean of its divisors is an integer number (8131575525).

Almost surely, 2^16263151049 is an apocalyptic number.

It is an amenable number.

16263151049 is a deficient number, since it is larger than the sum of its proper divisors (1).

16263151049 is an equidigital number, since it uses as much as digits as its factorization.

16263151049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 16263151049 in words is "sixteen billion, two hundred sixty-three million, one hundred fifty-one thousand, forty-nine".