1361504019419 has 16 divisors (see below), whose sum is σ = 1382344704000. Its totient is φ = 1340793558720.

The previous prime is 1361504019401. The next prime is 1361504019431. The reversal of 1361504019419 is 9149104051631.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361504019419 is a prime.

It is a super-2 number, since 2×1361504019419² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1361504019419.

It is not an unprimeable number, because it can be changed into a prime (1361104019419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35382212 + ... + 35420670.

It is an arithmetic number, because the mean of its divisors is an integer number (86396544000).

Almost surely, 2^{1361504019419} is an apocalyptic number.

1361504019419 is a deficient number, since it is larger than the sum of its proper divisors (20840684581).

1361504019419 is a wasteful number, since it uses less digits than its factorization.

1361504019419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40138.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 1361504019419 in words is "one trillion, three hundred sixty-one billion, five hundred four million, nineteen thousand, four hundred nineteen".