16472094649 has 2 divisors, whose sum is σ = 16472094650. Its totient is φ = 16472094648.

The previous prime is 16472094641. The next prime is 16472094677. The reversal of 16472094649 is 94649027461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12475326249 + 3996768400 = 111693^2 + 63220^2 .

It is a cyclic number.

It is not a de Polignac number, because 16472094649 - 2³ = 16472094641 is a prime.

It is a super-2 number, since 2×16472094649² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16472094596 and 16472094605.

It is not a weakly prime, because it can be changed into another prime (16472094641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8236047324 + 8236047325.

It is an arithmetic number, because the mean of its divisors is an integer number (8236047325).

Almost surely, 2^16472094649 is an apocalyptic number.

It is an amenable number.

16472094649 is a deficient number, since it is larger than the sum of its proper divisors (1).

16472094649 is an equidigital number, since it uses as much as digits as its factorization.

16472094649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 16472094649 in words is "sixteen billion, four hundred seventy-two million, ninety-four thousand, six hundred forty-nine".