1553232988763 has 2 divisors, whose sum is σ = 1553232988764. Its totient is φ = 1553232988762.

The previous prime is 1553232988739. The next prime is 1553232988777. The reversal of 1553232988763 is 3678892323551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1553232988763 - 2⁴⁰ = 453721360987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1553232988696 and 1553232988705.

It is not a weakly prime, because it can be changed into another prime (1553232988733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776616494381 + 776616494382.

It is an arithmetic number, because the mean of its divisors is an integer number (776616494382).

Almost surely, 2^{1553232988763} is an apocalyptic number.

1553232988763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553232988763 is an equidigital number, since it uses as much as digits as its factorization.

1553232988763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65318400, while the sum is 62.

The spelling of 1553232988763 in words is "one trillion, five hundred fifty-three billion, two hundred thirty-two million, nine hundred eighty-eight thousand, seven hundred sixty-three".