8005691354 has 4 divisors (see below), whose sum is σ = 12008537034. Its totient is φ = 4002845676.

The previous prime is 8005691341. The next prime is 8005691381. The reversal of 8005691354 is 4531965008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7658875225 + 346816129 = 87515^2 + 18623^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001422837 + ... + 2001422840.

Almost surely, 2^8005691354 is an apocalyptic number.

8005691354 is a deficient number, since it is larger than the sum of its proper divisors (4002845680).

8005691354 is a wasteful number, since it uses less digits than its factorization.

8005691354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002845679.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 8005691354 is about 89474.5290795095. The cubic root of 8005691354 is about 2000.4741670739.

The spelling of 8005691354 in words is "eight billion, five million, six hundred ninety-one thousand, three hundred fifty-four".