1420979645798 has 4 divisors (see below), whose sum is σ = 2131469468700. Its totient is φ = 710489822898.

The previous prime is 1420979645797. The next prime is 1420979645831. The reversal of 1420979645798 is 8975469790241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420979645797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355244911448 + ... + 355244911451.

It is an arithmetic number, because the mean of its divisors is an integer number (532867367175).

Almost surely, 2^{1420979645798} is an apocalyptic number.

1420979645798 is a deficient number, since it is larger than the sum of its proper divisors (710489822902).

1420979645798 is an equidigital number, since it uses as much as digits as its factorization.

1420979645798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710489822901.

The product of its (nonzero) digits is 274337280, while the sum is 71.

The spelling of 1420979645798 in words is "one trillion, four hundred twenty billion, nine hundred seventy-nine million, six hundred forty-five thousand, seven hundred ninety-eight".