5721951650 has 24 divisors (see below), whose sum is σ = 11202980880. Its totient is φ = 2168318160.

The previous prime is 5721951637. The next prime is 5721951659. The reversal of 5721951650 is 561591275.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5721951598 and 5721951607.

It is not an unprimeable number, because it can be changed into a prime (5721951659) 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, 3010604 + ... + 3012503.

It is an arithmetic number, because the mean of its divisors is an integer number (466790870).

Almost surely, 2^5721951650 is an apocalyptic number.

5721951650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5721951650 is a deficient number, since it is larger than the sum of its proper divisors (5481029230).

5721951650 is a wasteful number, since it uses less digits than its factorization.

5721951650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6023138 (or 6023133 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 41.

The square root of 5721951650 is about 75643.5830060951. The cubic root of 5721951650 is about 1788.6061837730.

The spelling of 5721951650 in words is "five billion, seven hundred twenty-one million, nine hundred fifty-one thousand, six hundred fifty".