19369541451 has 32 divisors (see below), whose sum is σ = 28210309120. Its totient is φ = 11749795200.

The previous prime is 19369541419. The next prime is 19369541501. The reversal of 19369541451 is 15414596391.

It is not a de Polignac number, because 19369541451 - 2⁵ = 19369541419 is a prime.

It is the 139175-th Hogben number.

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 19369541451.

It is not an unprimeable number, because it can be changed into a prime (19369541951) by changing a digit.

It is a nontrivial repunit in base 139174.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2031786 + ... + 2041296.

It is an arithmetic number, because the mean of its divisors is an integer number (881572160).

Almost surely, 2^19369541451 is an apocalyptic number.

19369541451 is a deficient number, since it is larger than the sum of its proper divisors (8840767669).

19369541451 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (19369541450) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (10267).

19369541451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10267.

The product of its digits is 583200, while the sum is 48.

The spelling of 19369541451 in words is "nineteen billion, three hundred sixty-nine million, five hundred forty-one thousand, four hundred fifty-one".