16348942949 has 2 divisors, whose sum is σ = 16348942950. Its totient is φ = 16348942948.

The previous prime is 16348942933. The next prime is 16348943003. The reversal of 16348942949 is 94924984361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15779881924 + 569061025 = 125618^2 + 23855^2 .

It is a cyclic number.

It is not a de Polignac number, because 16348942949 - 2⁴ = 16348942933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16348942349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8174471474 + 8174471475.

It is an arithmetic number, because the mean of its divisors is an integer number (8174471475).

Almost surely, 2^16348942949 is an apocalyptic number.

It is an amenable number.

16348942949 is a deficient number, since it is larger than the sum of its proper divisors (1).

16348942949 is an equidigital number, since it uses as much as digits as its factorization.

16348942949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 59.

The spelling of 16348942949 in words is "sixteen billion, three hundred forty-eight million, nine hundred forty-two thousand, nine hundred forty-nine".