1553924016947 has 2 divisors, whose sum is σ = 1553924016948. Its totient is φ = 1553924016946.

The previous prime is 1553924016941. The next prime is 1553924017033. The reversal of 1553924016947 is 7496104293551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1553924016947 - 2¹⁰ = 1553924015923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1553924016892 and 1553924016901.

It is not a weakly prime, because it can be changed into another prime (1553924016941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776962008473 + 776962008474.

It is an arithmetic number, because the mean of its divisors is an integer number (776962008474).

Almost surely, 2^{1553924016947} is an apocalyptic number.

1553924016947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553924016947 is an equidigital number, since it uses as much as digits as its factorization.

1553924016947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 1553924016947 in words is "one trillion, five hundred fifty-three billion, nine hundred twenty-four million, sixteen thousand, nine hundred forty-seven".