1421202262649 has 16 divisors (see below), whose sum is σ = 1672832448000. Its totient is φ = 1194880308480.

The previous prime is 1421202262633. The next prime is 1421202262657. The reversal of 1421202262649 is 9462622021241.

It is not a de Polignac number, because 1421202262649 - 2⁴ = 1421202262633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421202262699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103715399 + ... + 103729100.

It is an arithmetic number, because the mean of its divisors is an integer number (104552028000).

Almost surely, 2^{1421202262649} is an apocalyptic number.

It is an amenable number.

1421202262649 is a deficient number, since it is larger than the sum of its proper divisors (251630185351).

1421202262649 is a wasteful number, since it uses less digits than its factorization.

1421202262649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207444560.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 1421202262649 in words is "one trillion, four hundred twenty-one billion, two hundred two million, two hundred sixty-two thousand, six hundred forty-nine".