19046145731430 has 64 divisors (see below), whose sum is σ = 46351572461568. Its totient is φ = 5007813661440.

The previous prime is 19046145731323. The next prime is 19046145731453. The reversal of 19046145731430 is 3413754164091.

It is a self number, because there is not a number n which added to its sum of digits gives 19046145731430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5562685 + ... + 8308775.

It is an arithmetic number, because the mean of its divisors is an integer number (724243319712).

Almost surely, 2^{19046145731430} is an apocalyptic number.

19046145731430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19046145731430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23175786230784).

19046145731430 is an abundant number, since it is smaller than the sum of its proper divisors (27305426730138).

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

19046145731430 is a wasteful number, since it uses less digits than its factorization.

19046145731430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749341.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 19046145731430 in words is "nineteen trillion, forty-six billion, one hundred forty-five million, seven hundred thirty-one thousand, four hundred thirty".