8450949155 has 24 divisors (see below), whose sum is σ = 11160828000. Its totient is φ = 6138450560.

The previous prime is 8450949149. The next prime is 8450949161. The reversal of 8450949155 is 5519490548.

It is an interprime number because it is at equal distance from previous prime (8450949149) and next prime (8450949161).

It is not a de Polignac number, because 8450949155 - 2¹² = 8450945059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499271 + ... + 515919.

It is an arithmetic number, because the mean of its divisors is an integer number (465034500).

Almost surely, 2^8450949155 is an apocalyptic number.

8450949155 is a deficient number, since it is larger than the sum of its proper divisors (2709878845).

8450949155 is a wasteful number, since it uses less digits than its factorization.

8450949155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17515 (or 17504 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 50.

The square root of 8450949155 is about 91929.0441318738. The cubic root of 8450949155 is about 2036.8943159588.

The spelling of 8450949155 in words is "eight billion, four hundred fifty million, nine hundred forty-nine thousand, one hundred fifty-five".