1813401010605 has 32 divisors (see below), whose sum is σ = 2927398146048. Its totient is φ = 958511232000.

The previous prime is 1813401010579. The next prime is 1813401010649. The reversal of 1813401010605 is 5060101043181.

It is not a de Polignac number, because 1813401010605 - 2¹² = 1813401006509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1286805 + ... + 2298405.

It is an arithmetic number, because the mean of its divisors is an integer number (91481192064).

Almost surely, 2^{1813401010605} is an apocalyptic number.

1813401010605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1813401010605 is a deficient number, since it is larger than the sum of its proper divisors (1113997135443).

1813401010605 is a wasteful number, since it uses less digits than its factorization.

1813401010605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012677.

The product of its (nonzero) digits is 2880, while the sum is 30.

Adding to 1813401010605 its reverse (5060101043181), we get a palindrome (6873502053786).

The spelling of 1813401010605 in words is "one trillion, eight hundred thirteen billion, four hundred one million, ten thousand, six hundred five".