1896700947047 has 4 divisors (see below), whose sum is σ = 1897902152520. Its totient is φ = 1895499741576.

The previous prime is 1896700947019. The next prime is 1896700947059. The reversal of 1896700947047 is 7407490076981.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1896700947047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896700947247) 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, 600600368 + ... + 600603525.

It is an arithmetic number, because the mean of its divisors is an integer number (474475538130).

Almost surely, 2^{1896700947047} is an apocalyptic number.

1896700947047 is a deficient number, since it is larger than the sum of its proper divisors (1201205473).

1896700947047 is a wasteful number, since it uses less digits than its factorization.

1896700947047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201205472.

The product of its (nonzero) digits is 21337344, while the sum is 62.

The spelling of 1896700947047 in words is "one trillion, eight hundred ninety-six billion, seven hundred million, nine hundred forty-seven thousand, forty-seven".