1421616743503 has 8 divisors (see below), whose sum is σ = 1550876824656. Its totient is φ = 1292360361600.

The previous prime is 1421616743501. The next prime is 1421616743507. The reversal of 1421616743503 is 3053476161241.

It is a happy number.

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

It is not a de Polignac number, because 1421616743503 - 2¹ = 1421616743501 is a prime.

It is a super-2 number, since 2×1421616743503² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421616743503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421616743501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88378 + ... + 1688503.

It is an arithmetic number, because the mean of its divisors is an integer number (193859603082).

Almost surely, 2^{1421616743503} is an apocalyptic number.

1421616743503 is a deficient number, since it is larger than the sum of its proper divisors (129260081153).

1421616743503 is a wasteful number, since it uses less digits than its factorization.

1421616743503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849625.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 1421616743503 in words is "one trillion, four hundred twenty-one billion, six hundred sixteen million, seven hundred forty-three thousand, five hundred three".