1421355044774 has 16 divisors (see below), whose sum is σ = 2496038128416. Its totient is φ = 594294792000.

The previous prime is 1421355044771. The next prime is 1421355044783. The reversal of 1421355044774 is 4774405531241.

It is a super-2 number, since 2×1421355044774² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421355044771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238113577 + ... + 1238114724.

It is an arithmetic number, because the mean of its divisors is an integer number (156002383026).

Almost surely, 2^{1421355044774} is an apocalyptic number.

1421355044774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1421355044774 is a deficient number, since it is larger than the sum of its proper divisors (1074683083642).

1421355044774 is a wasteful number, since it uses less digits than its factorization.

1421355044774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476228351.

The product of its (nonzero) digits is 1881600, while the sum is 47.

The spelling of 1421355044774 in words is "one trillion, four hundred twenty-one billion, three hundred fifty-five million, forty-four thousand, seven hundred seventy-four".