16374677447 has 2 divisors, whose sum is σ = 16374677448. Its totient is φ = 16374677446.

The previous prime is 16374677401. The next prime is 16374677497. The reversal of 16374677447 is 74477647361.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16374677447 is a prime.

It is a super-2 number, since 2×16374677447² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16374677392 and 16374677401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16374677497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8187338723 + 8187338724.

It is an arithmetic number, because the mean of its divisors is an integer number (8187338724).

Almost surely, 2^16374677447 is an apocalyptic number.

16374677447 is a deficient number, since it is larger than the sum of its proper divisors (1).

16374677447 is an equidigital number, since it uses as much as digits as its factorization.

16374677447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16595712, while the sum is 56.

The spelling of 16374677447 in words is "sixteen billion, three hundred seventy-four million, six hundred seventy-seven thousand, four hundred forty-seven".