1421202262663 has 4 divisors (see below), whose sum is σ = 1425274475800. Its totient is φ = 1417130049528.

The previous prime is 1421202262657. The next prime is 1421202262681. The reversal of 1421202262663 is 3662622021241.

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

It is a cyclic number.

It is not a de Polignac number, because 1421202262663 - 2¹³ = 1421202254471 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 (1421202262603) 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, 2036106045 + ... + 2036106742.

It is an arithmetic number, because the mean of its divisors is an integer number (356318618950).

Almost surely, 2^{1421202262663} is an apocalyptic number.

1421202262663 is a deficient number, since it is larger than the sum of its proper divisors (4072213137).

1421202262663 is an equidigital number, since it uses as much as digits as its factorization.

1421202262663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072213136.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 1421202262663 in words is "one trillion, four hundred twenty-one billion, two hundred two million, two hundred sixty-two thousand, six hundred sixty-three".