612021863454 has 8 divisors (see below), whose sum is σ = 1224043726920. Its totient is φ = 204007287816.

The previous prime is 612021863381. The next prime is 612021863473. The reversal of 612021863454 is 454368120216.

612021863454 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

612021863454 is an admirable number.

It is a super-2 number, since 2×612021863454² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 51001821949 + ... + 51001821960.

It is an arithmetic number, because the mean of its divisors is an integer number (153005465865).

Almost surely, 2^612021863454 is an apocalyptic number.

612021863454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

612021863454 is a wasteful number, since it uses less digits than its factorization.

612021863454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102003643914.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 612021863454 in words is "six hundred twelve billion, twenty-one million, eight hundred sixty-three thousand, four hundred fifty-four".