1901431883129 has 8 divisors (see below), whose sum is σ = 1964827994112. Its totient is φ = 1838164497120.

The previous prime is 1901431883123. The next prime is 1901431883159. The reversal of 1901431883129 is 9213881341091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1901431883129 is a prime.

It is a super-2 number, since 2×1901431883129² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1901431883123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32151209 + ... + 32210294.

It is an arithmetic number, because the mean of its divisors is an integer number (245603499264).

Almost surely, 2^{1901431883129} is an apocalyptic number.

It is an amenable number.

1901431883129 is a deficient number, since it is larger than the sum of its proper divisors (63396110983).

1901431883129 is an equidigital number, since it uses as much as digits as its factorization.

1901431883129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64362487.

The product of its (nonzero) digits is 373248, while the sum is 50.

The spelling of 1901431883129 in words is "one trillion, nine hundred one billion, four hundred thirty-one million, eight hundred eighty-three thousand, one hundred twenty-nine".