1429788121431 has 16 divisors (see below), whose sum is σ = 1925142265728. Its totient is φ = 943858893600.

The previous prime is 1429788121427. The next prime is 1429788121439. The reversal of 1429788121431 is 1341218879241.

It is not a de Polignac number, because 1429788121431 - 2² = 1429788121427 is a prime.

It is a super-2 number, since 2×1429788121431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429788121439) 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, 5608165 + ... + 5857566.

It is an arithmetic number, because the mean of its divisors is an integer number (120321391608).

Almost surely, 2^{1429788121431} is an apocalyptic number.

1429788121431 is a deficient number, since it is larger than the sum of its proper divisors (495354144297).

1429788121431 is a wasteful number, since it uses less digits than its factorization.

1429788121431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11466142.

The product of its digits is 774144, while the sum is 51.

The spelling of 1429788121431 in words is "one trillion, four hundred twenty-nine billion, seven hundred eighty-eight million, one hundred twenty-one thousand, four hundred thirty-one".