1434407503621 has 4 divisors (see below), whose sum is σ = 1434517072012. Its totient is φ = 1434297935232.

The previous prime is 1434407503549. The next prime is 1434407503657. The reversal of 1434407503621 is 1263057044341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1044514660225 + 389892843396 = 1022015^2 + 624414^2 .

It is a cyclic number.

It is not a de Polignac number, because 1434407503621 - 2²⁵ = 1434373949189 is a prime.

It is a super-2 number, since 2×1434407503621² (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 (1434407500621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54764556 + ... + 54790741.

It is an arithmetic number, because the mean of its divisors is an integer number (358629268003).

Almost surely, 2^{1434407503621} is an apocalyptic number.

It is an amenable number.

1434407503621 is a deficient number, since it is larger than the sum of its proper divisors (109568391).

1434407503621 is a wasteful number, since it uses less digits than its factorization.

1434407503621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109568390.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 1434407503621 in words is "one trillion, four hundred thirty-four billion, four hundred seven million, five hundred three thousand, six hundred twenty-one".