1363402010646 has 48 divisors (see below), whose sum is σ = 3248958009024. Its totient is φ = 410582598912.

The previous prime is 1363402010639. The next prime is 1363402010669. The reversal of 1363402010646 is 6460102043631.

1363402010646 is a `hidden beast` number, since 1 + 3 + 6 + 3 + 4 + 0 + 2 + 0 + 1 + 0 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1363402010646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61973091 + ... + 61995086.

It is an arithmetic number, because the mean of its divisors is an integer number (67686625188).

Almost surely, 2^{1363402010646} is an apocalyptic number.

1363402010646 is an abundant number, since it is smaller than the sum of its proper divisors (1885555998378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1363402010646 is a wasteful number, since it uses less digits than its factorization.

1363402010646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123968245 (or 123968242 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 1363402010646 in words is "one trillion, three hundred sixty-three billion, four hundred two million, ten thousand, six hundred forty-six".