1473653365021 has 2 divisors, whose sum is σ = 1473653365022. Its totient is φ = 1473653365020.

The previous prime is 1473653364949. The next prime is 1473653365117. The reversal of 1473653365021 is 1205633563741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1365593239396 + 108060125625 = 1168586^2 + 328725^2 .

It is an emirp because it is prime and its reverse (1205633563741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1473653365021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1473653365621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736826682510 + 736826682511.

It is an arithmetic number, because the mean of its divisors is an integer number (736826682511).

Almost surely, 2^{1473653365021} is an apocalyptic number.

It is an amenable number.

1473653365021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1473653365021 is an equidigital number, since it uses as much as digits as its factorization.

1473653365021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 1473653365021 in words is "one trillion, four hundred seventy-three billion, six hundred fifty-three million, three hundred sixty-five thousand, twenty-one".