1897706422113 has 32 divisors (see below), whose sum is σ = 2592972176256. Its totient is φ = 1233878274048.

The previous prime is 1897706422063. The next prime is 1897706422127. The reversal of 1897706422113 is 3112246077981.

It is not a de Polignac number, because 1897706422113 - 2¹⁰ = 1897706421089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1897706422013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313511995 + ... + 313518047.

It is an arithmetic number, because the mean of its divisors is an integer number (81030380508).

Almost surely, 2^{1897706422113} is an apocalyptic number.

It is an amenable number.

1897706422113 is a deficient number, since it is larger than the sum of its proper divisors (695265754143).

1897706422113 is a wasteful number, since it uses less digits than its factorization.

1897706422113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9313.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 1897706422113 in words is "one trillion, eight hundred ninety-seven billion, seven hundred six million, four hundred twenty-two thousand, one hundred thirteen".