1361974287344 has 20 divisors (see below), whose sum is σ = 2878718380440. Its totient is φ = 619079221440.

The previous prime is 1361974287343. The next prime is 1361974287353. The reversal of 1361974287344 is 4437824791631.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361974287341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3869244959 + ... + 3869245310.

It is an arithmetic number, because the mean of its divisors is an integer number (143935919022).

Almost surely, 2^{1361974287344} is an apocalyptic number.

It is an amenable number.

1361974287344 is an abundant number, since it is smaller than the sum of its proper divisors (1516744093096).

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

1361974287344 is a wasteful number, since it uses less digits than its factorization.

1361974287344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738490288 (or 7738490282 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 59.

The spelling of 1361974287344 in words is "one trillion, three hundred sixty-one billion, nine hundred seventy-four million, two hundred eighty-seven thousand, three hundred forty-four".