1729813916431 has 16 divisors (see below), whose sum is σ = 1836937756800. Its totient is φ = 1626434304768.

The previous prime is 1729813916381. The next prime is 1729813916483. The reversal of 1729813916431 is 1346193189271.

It is a cyclic number.

It is not a de Polignac number, because 1729813916431 - 2¹¹ = 1729813914383 is a prime.

It is a super-2 number, since 2×1729813916431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1729813916231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5004316 + ... + 5338801.

It is an arithmetic number, because the mean of its divisors is an integer number (114808609800).

Almost surely, 2^{1729813916431} is an apocalyptic number.

1729813916431 is a deficient number, since it is larger than the sum of its proper divisors (107123840369).

1729813916431 is a wasteful number, since it uses less digits than its factorization.

1729813916431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10343298.

The product of its digits is 1959552, while the sum is 55.

The spelling of 1729813916431 in words is "one trillion, seven hundred twenty-nine billion, eight hundred thirteen million, nine hundred sixteen thousand, four hundred thirty-one".