1420372869101 has 2 divisors, whose sum is σ = 1420372869102. Its totient is φ = 1420372869100.

The previous prime is 1420372869061. The next prime is 1420372869163. The reversal of 1420372869101 is 1019682730241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1127204766601 + 293168102500 = 1061699^2 + 541450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420372869101 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420372889101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710186434550 + 710186434551.

It is an arithmetic number, because the mean of its divisors is an integer number (710186434551).

Almost surely, 2^{1420372869101} is an apocalyptic number.

It is an amenable number.

1420372869101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420372869101 is an equidigital number, since it uses as much as digits as its factorization.

1420372869101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 1420372869101 in words is "one trillion, four hundred twenty billion, three hundred seventy-two million, eight hundred sixty-nine thousand, one hundred one".