20435513419 has 2 divisors, whose sum is σ = 20435513420. Its totient is φ = 20435513418.

The previous prime is 20435513411. The next prime is 20435513513. The reversal of 20435513419 is 91431553402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20435513419 - 2³ = 20435513411 is a prime.

It is a super-2 number, since 2×20435513419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20435513411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10217756709 + 10217756710.

It is an arithmetic number, because the mean of its divisors is an integer number (10217756710).

Almost surely, 2^20435513419 is an apocalyptic number.

20435513419 is a deficient number, since it is larger than the sum of its proper divisors (1).

20435513419 is an equidigital number, since it uses as much as digits as its factorization.

20435513419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 20435513419 in words is "twenty billion, four hundred thirty-five million, five hundred thirteen thousand, four hundred nineteen".