8958364921 has 16 divisors (see below), whose sum is σ = 10201097088. Its totient is φ = 7787260800.

The previous prime is 8958364873. The next prime is 8958364937. The reversal of 8958364921 is 1294638598.

It is not a de Polignac number, because 8958364921 - 2¹¹ = 8958362873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8958364981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1424035 + ... + 1430311.

It is an arithmetic number, because the mean of its divisors is an integer number (637568568).

Almost surely, 2^8958364921 is an apocalyptic number.

It is an amenable number.

8958364921 is a deficient number, since it is larger than the sum of its proper divisors (1242732167).

8958364921 is a wasteful number, since it uses less digits than its factorization.

8958364921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11952.

The product of its digits is 3732480, while the sum is 55.

The square root of 8958364921 is about 94648.6392981959. The cubic root of 8958364921 is about 2076.8712917142.

The spelling of 8958364921 in words is "eight billion, nine hundred fifty-eight million, three hundred sixty-four thousand, nine hundred twenty-one".