4249591620 has 24 divisors (see below), whose sum is σ = 11898856704. Its totient is φ = 1133224416.

The previous prime is 4249591603. The next prime is 4249591649. The reversal of 4249591620 is 261959424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35413204 + ... + 35413323.

It is an arithmetic number, because the mean of its divisors is an integer number (495785696).

Almost surely, 2^4249591620 is an apocalyptic number.

It is an amenable number.

4249591620 is an abundant number, since it is smaller than the sum of its proper divisors (7649265084).

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

4249591620 is a wasteful number, since it uses less digits than its factorization.

4249591620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70826539 (or 70826537 counting only the distinct ones).

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

The square root of 4249591620 is about 65188.8918451602. The cubic root of 4249591620 is about 1619.7540169115.

The spelling of 4249591620 in words is "four billion, two hundred forty-nine million, five hundred ninety-one thousand, six hundred twenty".