2135423420450 has 48 divisors (see below), whose sum is σ = 4053442271424. Its totient is φ = 836771601600.

The previous prime is 2135423420399. The next prime is 2135423420483. The reversal of 2135423420450 is 540243245312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2135423420450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1154534 + ... + 2367233.

It is an arithmetic number, because the mean of its divisors is an integer number (84446713988).

Almost surely, 2^{2135423420450} is an apocalyptic number.

2135423420450 is a deficient number, since it is larger than the sum of its proper divisors (1918018850974).

2135423420450 is a wasteful number, since it uses less digits than its factorization.

2135423420450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522027 (or 3522022 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 2135423420450 its reverse (540243245312), we get a palindrome (2675666665762).

The spelling of 2135423420450 in words is "two trillion, one hundred thirty-five billion, four hundred twenty-three million, four hundred twenty thousand, four hundred fifty".