13530420416 has 14 divisors (see below), whose sum is σ = 26849428140. Its totient is φ = 6765210176.

The previous prime is 13530420359. The next prime is 13530420433. The reversal of 13530420416 is 61402403531.

It is a super-2 number, since 2×13530420416² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105706346 + ... + 105706473.

Almost surely, 2^13530420416 is an apocalyptic number.

13530420416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13530420416 is a deficient number, since it is larger than the sum of its proper divisors (13319007724).

13530420416 is an equidigital number, since it uses as much as digits as its factorization.

13530420416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211412831 (or 211412821 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 13530420416 its reverse (61402403531), we get a palindrome (74932823947).

The spelling of 13530420416 in words is "thirteen billion, five hundred thirty million, four hundred twenty thousand, four hundred sixteen".