3420431553 has 16 divisors (see below), whose sum is σ = 5685912576. Its totient is φ = 1776847440.

The previous prime is 3420431551. The next prime is 3420431561. The reversal of 3420431553 is 3551340243.

It is not a de Polignac number, because 3420431553 - 2¹ = 3420431551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3420431553.

It is not an unprimeable number, because it can be changed into a prime (3420431551) 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, 7403301 + ... + 7403762.

It is an arithmetic number, because the mean of its divisors is an integer number (355369536).

Almost surely, 2^3420431553 is an apocalyptic number.

3420431553 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3420431553 is a deficient number, since it is larger than the sum of its proper divisors (2265481023).

3420431553 is a wasteful number, since it uses less digits than its factorization.

3420431553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14807084.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 3420431553 is about 58484.4556527630. The cubic root of 3420431553 is about 1506.7006236364.

Adding to 3420431553 its reverse (3551340243), we get a palindrome (6971771796).

The spelling of 3420431553 in words is "three billion, four hundred twenty million, four hundred thirty-one thousand, five hundred fifty-three".