9652057891 has 4 divisors (see below), whose sum is σ = 11030923312. Its totient is φ = 8273192472.

The previous prime is 9652057889. The next prime is 9652057903. The reversal of 9652057891 is 1987502569.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9652057891 - 2¹ = 9652057889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9652057841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689432700 + ... + 689432713.

It is an arithmetic number, because the mean of its divisors is an integer number (2757730828).

Almost surely, 2^9652057891 is an apocalyptic number.

9652057891 is a deficient number, since it is larger than the sum of its proper divisors (1378865421).

9652057891 is a wasteful number, since it uses less digits than its factorization.

9652057891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378865420.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The square root of 9652057891 is about 98244.8873529814. The cubic root of 9652057891 is about 2129.1518654498.

The spelling of 9652057891 in words is "nine billion, six hundred fifty-two million, fifty-seven thousand, eight hundred ninety-one".