621650150206 has 4 divisors (see below), whose sum is σ = 932475225312. Its totient is φ = 310825075102.

The previous prime is 621650150203. The next prime is 621650150239. The reversal of 621650150206 is 602051056126.

621650150206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×621650150206² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621650150203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155412537550 + ... + 155412537553.

It is an arithmetic number, because the mean of its divisors is an integer number (233118806328).

Almost surely, 2^621650150206 is an apocalyptic number.

621650150206 is a deficient number, since it is larger than the sum of its proper divisors (310825075106).

621650150206 is a wasteful number, since it uses less digits than its factorization.

621650150206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310825075105.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 621650150206 in words is "six hundred twenty-one billion, six hundred fifty million, one hundred fifty thousand, two hundred six".