621414650 has 12 divisors (see below), whose sum is σ = 1155831342. Its totient is φ = 248565840.

The previous prime is 621414641. The next prime is 621414659. The reversal of 621414650 is 56414126.

621414650 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (621414641) and next prime (621414659).

It can be written as a sum of positive squares in 3 ways, for example, as 249734809 + 371679841 = 15803^2 + 19279^2 .

It is a super-3 number, since 3×621414650³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (621414659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6214097 + ... + 6214196.

Almost surely, 2^621414650 is an apocalyptic number.

621414650 is a deficient number, since it is larger than the sum of its proper divisors (534416692).

621414650 is a wasteful number, since it uses less digits than its factorization.

621414650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12428305 (or 12428300 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 621414650 is about 24928.1898660934. The cubic root of 621414650 is about 853.3499405066.

Adding to 621414650 its reverse (56414126), we get a palindrome (677828776).

The spelling of 621414650 in words is "six hundred twenty-one million, four hundred fourteen thousand, six hundred fifty".