1421049910273 has 12 divisors (see below), whose sum is σ = 1653134041200. Its totient is φ = 1217986793352.

The previous prime is 1421049910253. The next prime is 1421049910339. The reversal of 1421049910273 is 3720199401241.

It is a happy number.

It is not a de Polignac number, because 1421049910273 - 2¹³ = 1421049902081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421049910253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 428578 + ... + 1739476.

It is an arithmetic number, because the mean of its divisors is an integer number (137761170100).

Almost surely, 2^{1421049910273} is an apocalyptic number.

It is an amenable number.

1421049910273 is a deficient number, since it is larger than the sum of its proper divisors (232084130927).

1421049910273 is a wasteful number, since it uses less digits than its factorization.

1421049910273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333036 (or 1333029 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 1421049910273 in words is "one trillion, four hundred twenty-one billion, forty-nine million, nine hundred ten thousand, two hundred seventy-three".