621349098048 has 336 divisors, whose sum is σ = 2248849025280. Its totient is φ = 159820480512.

The previous prime is 621349098023. The next prime is 621349098053. The reversal of 621349098048 is 840890943126.

621349098048 is a `hidden beast` number, since 6 + 21 + 3 + 490 + 98 + 0 + 48 = 666.

It is a Cunningham number, because it is equal to 788257²-1.

It is a tau number, because it is divible by the number of its divisors (336).

It is a junction number, because it is equal to n+sod(n) for n = 621349097985 and 621349098003.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1379448 + ... + 1773576.

Almost surely, 2^621349098048 is an apocalyptic number.

621349098048 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 621349098048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124424512640).

621349098048 is an abundant number, since it is smaller than the sum of its proper divisors (1627499927232).

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

621349098048 is a wasteful number, since it uses less digits than its factorization.

621349098048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394194 (or 394181 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 621349098048 in words is "six hundred twenty-one billion, three hundred forty-nine million, ninety-eight thousand, forty-eight".