1361254476673 has 48 divisors (see below), whose sum is σ = 1709506944000. Its totient is φ = 1061130732480.

The previous prime is 1361254476619. The next prime is 1361254476691. The reversal of 1361254476673 is 3766744521631.

It is not a de Polignac number, because 1361254476673 - 2¹³ = 1361254468481 is a prime.

It is a super-2 number, since 2×1361254476673² (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 (1361254476613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142699338 + ... + 142708876.

It is an arithmetic number, because the mean of its divisors is an integer number (35614728000).

Almost surely, 2^{1361254476673} is an apocalyptic number.

1361254476673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1361254476673 is a deficient number, since it is larger than the sum of its proper divisors (348252467327).

1361254476673 is a wasteful number, since it uses less digits than its factorization.

1361254476673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11342 (or 11329 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 55.

The spelling of 1361254476673 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-four million, four hundred seventy-six thousand, six hundred seventy-three".