1361403669612 has 96 divisors (see below), whose sum is σ = 3743942307840. Its totient is φ = 376993995840.

The previous prime is 1361403669611. The next prime is 1361403669641. The reversal of 1361403669612 is 2169663041631.

It is not an unprimeable number, because it can be changed into a prime (1361403669611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1582618 + ... + 2286369.

It is an arithmetic number, because the mean of its divisors is an integer number (38999399040).

Almost surely, 2^{1361403669612} is an apocalyptic number.

1361403669612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1361403669612 is an abundant number, since it is smaller than the sum of its proper divisors (2382538638228).

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

1361403669612 is a wasteful number, since it uses less digits than its factorization.

1361403669612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869131 (or 3869129 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 48.

The spelling of 1361403669612 in words is "one trillion, three hundred sixty-one billion, four hundred three million, six hundred sixty-nine thousand, six hundred twelve".