8451066490 has 16 divisors (see below), whose sum is σ = 15565686048. Its totient is φ = 3301811856.

The previous prime is 8451066461. The next prime is 8451066499. The reversal of 8451066490 is 946601548.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (8451066499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9826392 + ... + 9827251.

It is an arithmetic number, because the mean of its divisors is an integer number (972855378).

Almost surely, 2^8451066490 is an apocalyptic number.

8451066490 is a deficient number, since it is larger than the sum of its proper divisors (7114619558).

8451066490 is a wasteful number, since it uses less digits than its factorization.

8451066490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19653693.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 8451066490 is about 91929.6823120802. The cubic root of 8451066490 is about 2036.9037428245.

The spelling of 8451066490 in words is "eight billion, four hundred fifty-one million, sixty-six thousand, four hundred ninety".