6422690986 has 16 divisors (see below), whose sum is σ = 9656579520. Its totient is φ = 3203841600.

The previous prime is 6422690957. The next prime is 6422690993. The reversal of 6422690986 is 6890962246.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2013685 + ... + 2016871.

It is an arithmetic number, because the mean of its divisors is an integer number (603536220).

Almost surely, 2^6422690986 is an apocalyptic number.

6422690986 is a deficient number, since it is larger than the sum of its proper divisors (3233888534).

6422690986 is a wasteful number, since it uses less digits than its factorization.

6422690986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The square root of 6422690986 is about 80141.6931815145. The cubic root of 6422690986 is about 1858.8271584387.

The spelling of 6422690986 in words is "six billion, four hundred twenty-two million, six hundred ninety thousand, nine hundred eighty-six".