16772265949 has 2 divisors, whose sum is σ = 16772265950. Its totient is φ = 16772265948.

The previous prime is 16772265869. The next prime is 16772265989. The reversal of 16772265949 is 94956227761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12103960324 + 4668305625 = 110018^2 + 68325^2 .

It is an emirp because it is prime and its reverse (94956227761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16772265949 - 2¹³ = 16772257757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16772265893 and 16772265902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16772265989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8386132974 + 8386132975.

It is an arithmetic number, because the mean of its divisors is an integer number (8386132975).

Almost surely, 2^16772265949 is an apocalyptic number.

It is an amenable number.

16772265949 is a deficient number, since it is larger than the sum of its proper divisors (1).

16772265949 is an equidigital number, since it uses as much as digits as its factorization.

16772265949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 58.

The spelling of 16772265949 in words is "sixteen billion, seven hundred seventy-two million, two hundred sixty-five thousand, nine hundred forty-nine".