8465554945 has 16 divisors (see below), whose sum is σ = 10240012800. Its totient is φ = 6718330944.

The previous prime is 8465554943. The next prime is 8465554963. The reversal of 8465554945 is 5494555648.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8465554945 - 2¹ = 8465554943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8465554943) 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, 606232 + ... + 620038.

It is an arithmetic number, because the mean of its divisors is an integer number (640000800).

Almost surely, 2^8465554945 is an apocalyptic number.

It is an amenable number.

8465554945 is a deficient number, since it is larger than the sum of its proper divisors (1774457855).

8465554945 is a wasteful number, since it uses less digits than its factorization.

8465554945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14784.

The product of its digits is 17280000, while the sum is 55.

The square root of 8465554945 is about 92008.4503999497. The cubic root of 8465554945 is about 2038.0670965649.

The spelling of 8465554945 in words is "eight billion, four hundred sixty-five million, five hundred fifty-four thousand, nine hundred forty-five".