6121659450 has 24 divisors (see below), whose sum is σ = 15181715808. Its totient is φ = 1632442480.

The previous prime is 6121659449. The next prime is 6121659451. The reversal of 6121659450 is 549561216.

It is an interprime number because it is at equal distance from previous prime (6121659449) and next prime (6121659451).

It is a junction number, because it is equal to n+sod(n) for n = 6121659399 and 6121659408.

It is not an unprimeable number, because it can be changed into a prime (6121659451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20405382 + ... + 20405681.

It is an arithmetic number, because the mean of its divisors is an integer number (632571492).

Almost surely, 2^6121659450 is an apocalyptic number.

6121659450 is an abundant number, since it is smaller than the sum of its proper divisors (9060056358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6121659450 is a wasteful number, since it uses less digits than its factorization.

6121659450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40811078 (or 40811073 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 6121659450 is about 78241.0343106480. The cubic root of 6121659450 is about 1829.3201661220.

The spelling of 6121659450 in words is "six billion, one hundred twenty-one million, six hundred fifty-nine thousand, four hundred fifty".