1634365203313 has 6 divisors (see below), whose sum is σ = 1724911752354. Its totient is φ = 1548345981744.

The previous prime is 1634365203281. The next prime is 1634365203347. The reversal of 1634365203313 is 3133025634361.

It can be written as a sum of positive squares in only one way, i.e., 1607397980224 + 26967223089 = 1267832^2 + 164217^2 .

It is not a de Polignac number, because 1634365203313 - 2⁵ = 1634365203281 is a prime.

It is a super-2 number, since 2×1634365203313² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1634345203313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2263663356 + ... + 2263664077.

It is an arithmetic number, because the mean of its divisors is an integer number (287485292059).

Almost surely, 2^{1634365203313} is an apocalyptic number.

It is an amenable number.

1634365203313 is a deficient number, since it is larger than the sum of its proper divisors (90546549041).

1634365203313 is an equidigital number, since it uses as much as digits as its factorization.

1634365203313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527327471 (or 4527327452 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 40.

The spelling of 1634365203313 in words is "one trillion, six hundred thirty-four billion, three hundred sixty-five million, two hundred three thousand, three hundred thirteen".