19046145731431 has 64 divisors (see below), whose sum is σ = 24186119328000. Its totient is φ = 14596128460800.

The previous prime is 19046145731323. The next prime is 19046145731453. The reversal of 19046145731431 is 13413754164091.

It is a cyclic number.

It is not a de Polignac number, because 19046145731431 - 2¹⁵ = 19046145698663 is a prime.

It is a super-2 number, since 2×19046145731431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19046145731531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1328083321 + ... + 1328097661.

It is an arithmetic number, because the mean of its divisors is an integer number (377908114500).

Almost surely, 2^{19046145731431} is an apocalyptic number.

19046145731431 is a deficient number, since it is larger than the sum of its proper divisors (5139973596569).

19046145731431 is a wasteful number, since it uses less digits than its factorization.

19046145731431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16940.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 19046145731431 in words is "nineteen trillion, forty-six billion, one hundred forty-five million, seven hundred thirty-one thousand, four hundred thirty-one".