1970450063851 has 2 divisors, whose sum is σ = 1970450063852. Its totient is φ = 1970450063850.

The previous prime is 1970450063849. The next prime is 1970450063863. The reversal of 1970450063851 is 1583600540791.

It is a weak prime.

It is an emirp because it is prime and its reverse (1583600540791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1970450063851 - 2¹ = 1970450063849 is a prime.

Together with 1970450063849, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1970450063795 and 1970450063804.

It is not a weakly prime, because it can be changed into another prime (1970450063051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985225031925 + 985225031926.

It is an arithmetic number, because the mean of its divisors is an integer number (985225031926).

Almost surely, 2^{1970450063851} is an apocalyptic number.

1970450063851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970450063851 is an equidigital number, since it uses as much as digits as its factorization.

1970450063851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 1970450063851 in words is "one trillion, nine hundred seventy billion, four hundred fifty million, sixty-three thousand, eight hundred fifty-one".