1420432613503 has 16 divisors (see below), whose sum is σ = 1509866265600. Its totient is φ = 1332482024160.

The previous prime is 1420432613461. The next prime is 1420432613507. The reversal of 1420432613503 is 3053162340241.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420432613503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420432613507) 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, 3061758 + ... + 3495028.

It is an arithmetic number, because the mean of its divisors is an integer number (94366641600).

Almost surely, 2^{1420432613503} is an apocalyptic number.

1420432613503 is a deficient number, since it is larger than the sum of its proper divisors (89433652097).

1420432613503 is a wasteful number, since it uses less digits than its factorization.

1420432613503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434982.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 1420432613503 its reverse (3053162340241), we get a palindrome (4473594953744).

The spelling of 1420432613503 in words is "one trillion, four hundred twenty billion, four hundred thirty-two million, six hundred thirteen thousand, five hundred three".