421949414768 has 20 divisors (see below), whose sum is σ = 934316561520. Its totient is φ = 180835463424.

The previous prime is 421949414749. The next prime is 421949414771. The reversal of 421949414768 is 867414949124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883702633 + ... + 1883702856.

It is an arithmetic number, because the mean of its divisors is an integer number (46715828076).

Almost surely, 2^421949414768 is an apocalyptic number.

It is an amenable number.

421949414768 is an abundant number, since it is smaller than the sum of its proper divisors (512367146752).

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

421949414768 is a wasteful number, since it uses less digits than its factorization.

421949414768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767405504 (or 3767405498 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 59.

The spelling of 421949414768 in words is "four hundred twenty-one billion, nine hundred forty-nine million, four hundred fourteen thousand, seven hundred sixty-eight".