1421743354990 has 24 divisors (see below), whose sum is σ = 2976956495352. Its totient is φ = 487454864400.

The previous prime is 1421743354931. The next prime is 1421743355089. The reversal of 1421743354990 is 994533471241.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1450758036 + ... + 1450759015.

It is an arithmetic number, because the mean of its divisors is an integer number (124039853973).

Almost surely, 2^{1421743354990} is an apocalyptic number.

1421743354990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421743354990 is an abundant number, since it is smaller than the sum of its proper divisors (1555213140362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421743354990 is a wasteful number, since it uses less digits than its factorization.

1421743354990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901517072 (or 2901517065 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 1421743354990 in words is "one trillion, four hundred twenty-one billion, seven hundred forty-three million, three hundred fifty-four thousand, nine hundred ninety".