16219552747 has 2 divisors, whose sum is σ = 16219552748. Its totient is φ = 16219552746.

The previous prime is 16219552717. The next prime is 16219552777. The reversal of 16219552747 is 74725591261.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (16219552717) and next prime (16219552777).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16219552747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16219552747.

It is not a weakly prime, because it can be changed into another prime (16219552717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8109776373 + 8109776374.

It is an arithmetic number, because the mean of its divisors is an integer number (8109776374).

Almost surely, 2^16219552747 is an apocalyptic number.

16219552747 is a deficient number, since it is larger than the sum of its proper divisors (1).

16219552747 is an equidigital number, since it uses as much as digits as its factorization.

16219552747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 49.

The spelling of 16219552747 in words is "sixteen billion, two hundred nineteen million, five hundred fifty-two thousand, seven hundred forty-seven".