1813314420402 has 16 divisors (see below), whose sum is σ = 3632487699360. Its totient is φ = 603461663712.

The previous prime is 1813314420389. The next prime is 1813314420497. The reversal of 1813314420402 is 2040244133181.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244115083 + ... + 244122510.

It is an arithmetic number, because the mean of its divisors is an integer number (227030481210).

Almost surely, 2^{1813314420402} is an apocalyptic number.

1813314420402 is an abundant number, since it is smaller than the sum of its proper divisors (1819173278958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1813314420402 is a wasteful number, since it uses less digits than its factorization.

1813314420402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488238217.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 1813314420402 its reverse (2040244133181), we get a palindrome (3853558553583).

The spelling of 1813314420402 in words is "one trillion, eight hundred thirteen billion, three hundred fourteen million, four hundred twenty thousand, four hundred two".