16294390451 has 2 divisors, whose sum is σ = 16294390452. Its totient is φ = 16294390450.

The previous prime is 16294390439. The next prime is 16294390487. The reversal of 16294390451 is 15409349261.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16294390451 is a prime.

It is not a weakly prime, because it can be changed into another prime (16294390951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8147195225 + 8147195226.

It is an arithmetic number, because the mean of its divisors is an integer number (8147195226).

Almost surely, 2^16294390451 is an apocalyptic number.

16294390451 is a deficient number, since it is larger than the sum of its proper divisors (1).

16294390451 is an equidigital number, since it uses as much as digits as its factorization.

16294390451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 16294390451 in words is "sixteen billion, two hundred ninety-four million, three hundred ninety thousand, four hundred fifty-one".