8451642002 has 8 divisors (see below), whose sum is σ = 12972287856. Its totient is φ = 4127546052.

The previous prime is 8451641977. The next prime is 8451642029. The reversal of 8451642002 is 2002461548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8451642002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49137368 + ... + 49137539.

It is an arithmetic number, because the mean of its divisors is an integer number (1621535982).

Almost surely, 2^8451642002 is an apocalyptic number.

8451642002 is a deficient number, since it is larger than the sum of its proper divisors (4520645854).

8451642002 is a wasteful number, since it uses less digits than its factorization.

8451642002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98274952.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 8451642002 is about 91932.8124338639. The cubic root of 8451642002 is about 2036.9499790378.

The spelling of 8451642002 in words is "eight billion, four hundred fifty-one million, six hundred forty-two thousand, two".