2434431431021 has 8 divisors (see below), whose sum is σ = 2540377253760. Its totient is φ = 2328494023152.

The previous prime is 2434431430999. The next prime is 2434431431023. The reversal of 2434431431021 is 1201341344342.

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

It is a cyclic number.

It is not a de Polignac number, because 2434431431021 - 2⁶ = 2434431430957 is a prime.

It is a super-2 number, since 2×2434431431021² (a number of 26 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 (2434431431023) 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, 1508945 + ... + 2673158.

It is an arithmetic number, because the mean of its divisors is an integer number (317547156720).

Almost surely, 2^{2434431431021} is an apocalyptic number.

It is an amenable number.

2434431431021 is a deficient number, since it is larger than the sum of its proper divisors (105945822739).

2434431431021 is a wasteful number, since it uses less digits than its factorization.

2434431431021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207435.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 2434431431021 its reverse (1201341344342), we get a palindrome (3635772775363).

The spelling of 2434431431021 in words is "two trillion, four hundred thirty-four billion, four hundred thirty-one million, four hundred thirty-one thousand, twenty-one".