611413434621 has 32 divisors (see below), whose sum is σ = 988186521600. Its totient is φ = 370537248240.

The previous prime is 611413434613. The next prime is 611413434629. The reversal of 611413434621 is 126434314116.

611413434621 is a `hidden beast` number, since 6 + 1 + 14 + 13 + 4 + 3 + 4 + 621 = 666.

611413434621 is digitally balanced in base 2 and base 4, because in such bases 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 (611413434613) and next prime (611413434629).

It is not a de Polignac number, because 611413434621 - 2³ = 611413434613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611413434629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12891970 + ... + 12939308.

It is an arithmetic number, because the mean of its divisors is an integer number (30880828800).

Almost surely, 2^611413434621 is an apocalyptic number.

It is an amenable number.

611413434621 is a deficient number, since it is larger than the sum of its proper divisors (376773086979).

611413434621 is a wasteful number, since it uses less digits than its factorization.

611413434621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90846 (or 90840 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

Adding to 611413434621 its reverse (126434314116), we get a palindrome (737847748737).

The spelling of 611413434621 in words is "six hundred eleven billion, four hundred thirteen million, four hundred thirty-four thousand, six hundred twenty-one".