621541351054 has 16 divisors (see below), whose sum is σ = 1015309557360. Its totient is φ = 283642032960.

The previous prime is 621541351051. The next prime is 621541351087. The reversal of 621541351054 is 450153145126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621541351051) 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, 134297892 + ... + 134302519.

It is an arithmetic number, because the mean of its divisors is an integer number (63456847335).

Almost surely, 2^621541351054 is an apocalyptic number.

621541351054 is a deficient number, since it is larger than the sum of its proper divisors (393768206306).

621541351054 is a wasteful number, since it uses less digits than its factorization.

621541351054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268600515.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 621541351054 in words is "six hundred twenty-one billion, five hundred forty-one million, three hundred fifty-one thousand, fifty-four".