621541351214 has 16 divisors (see below), whose sum is σ = 1065599940096. Its totient is φ = 266349744600.

The previous prime is 621541351199. The next prime is 621541351229. The reversal of 621541351214 is 412153145126.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (621541351199) and next prime (621541351229).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1939202 + ... + 2236869.

It is an arithmetic number, because the mean of its divisors is an integer number (66599996256).

Almost surely, 2^621541351214 is an apocalyptic number.

621541351214 is a deficient number, since it is larger than the sum of its proper divisors (444058588882).

621541351214 is a wasteful number, since it uses less digits than its factorization.

621541351214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186711.

The product of its digits is 28800, while the sum is 35.

The spelling of 621541351214 in words is "six hundred twenty-one billion, five hundred forty-one million, three hundred fifty-one thousand, two hundred fourteen".