16040294350049 has 2 divisors, whose sum is σ = 16040294350050. Its totient is φ = 16040294350048.

The previous prime is 16040294350027. The next prime is 16040294350123. The reversal of 16040294350049 is 94005349204061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15876981375649 + 163312974400 = 3984593^2 + 404120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16040294350049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16040294349985 and 16040294350012.

It is not a weakly prime, because it can be changed into another prime (16040294350349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8020147175024 + 8020147175025.

It is an arithmetic number, because the mean of its divisors is an integer number (8020147175025).

Almost surely, 2^{16040294350049} is an apocalyptic number.

It is an amenable number.

16040294350049 is a deficient number, since it is larger than the sum of its proper divisors (1).

16040294350049 is an equidigital number, since it uses as much as digits as its factorization.

16040294350049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 16040294350049 in words is "sixteen trillion, forty billion, two hundred ninety-four million, three hundred fifty thousand, forty-nine".