1421904318113 has 4 divisors (see below), whose sum is σ = 1421951633088. Its totient is φ = 1421857003140.

The previous prime is 1421904318097. The next prime is 1421904318119. The reversal of 1421904318113 is 3118134091241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1421904318113 - 2⁴ = 1421904318097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421904318119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23612381 + ... + 23672522.

It is an arithmetic number, because the mean of its divisors is an integer number (355487908272).

Almost surely, 2^{1421904318113} is an apocalyptic number.

It is an amenable number.

1421904318113 is a deficient number, since it is larger than the sum of its proper divisors (47314975).

1421904318113 is an equidigital number, since it uses as much as digits as its factorization.

1421904318113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47314974.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 1421904318113 in words is "one trillion, four hundred twenty-one billion, nine hundred four million, three hundred eighteen thousand, one hundred thirteen".