421754320711774 has 32 divisors (see below), whose sum is σ = 638270529624000. Its totient is φ = 209004873557760.

The previous prime is 421754320711769. The next prime is 421754320711837. The reversal of 421754320711774 is 477117023457124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3348761644 + ... + 3348887584.

It is an arithmetic number, because the mean of its divisors is an integer number (19945954050750).

Almost surely, 2^{421754320711774} is an apocalyptic number.

421754320711774 is a deficient number, since it is larger than the sum of its proper divisors (216516208912226).

421754320711774 is a wasteful number, since it uses less digits than its factorization.

421754320711774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155188.

The product of its (nonzero) digits is 9219840, while the sum is 55.

The spelling of 421754320711774 in words is "four hundred twenty-one trillion, seven hundred fifty-four billion, three hundred twenty million, seven hundred eleven thousand, seven hundred seventy-four".