1420210779941 has 2 divisors, whose sum is σ = 1420210779942. Its totient is φ = 1420210779940.

The previous prime is 1420210779931. The next prime is 1420210780019. The reversal of 1420210779941 is 1499770120241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 931763547841 + 488447232100 = 965279^2 + 698890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420210779941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420210779931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710105389970 + 710105389971.

It is an arithmetic number, because the mean of its divisors is an integer number (710105389971).

Almost surely, 2^{1420210779941} is an apocalyptic number.

It is an amenable number.

1420210779941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420210779941 is an equidigital number, since it uses as much as digits as its factorization.

1420210779941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 1420210779941 in words is "one trillion, four hundred twenty billion, two hundred ten million, seven hundred seventy-nine thousand, nine hundred forty-one".