613968450 has 48 divisors (see below), whose sum is σ = 1524652416. Its totient is φ = 163508800.

The previous prime is 613968449. The next prime is 613968469. The reversal of 613968450 is 54869316.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134404 + ... + 138896.

It is an arithmetic number, because the mean of its divisors is an integer number (31763592).

Almost surely, 2^613968450 is an apocalyptic number.

613968450 is an abundant number, since it is smaller than the sum of its proper divisors (910683966).

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

613968450 is a wasteful number, since it uses less digits than its factorization.

613968450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419 (or 5414 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 613968450 is about 24778.3867513605. The cubic root of 613968450 is about 849.9277677951.

The spelling of 613968450 in words is "six hundred thirteen million, nine hundred sixty-eight thousand, four hundred fifty".