690480819971 has 8 divisors (see below), whose sum is σ = 709583259840. Its totient is φ = 671401579968.

The previous prime is 690480819961. The next prime is 690480819983. The reversal of 690480819971 is 179918084096.

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

It is a cyclic number.

It is not a de Polignac number, because 690480819971 - 2²² = 690476625667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (690480819961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5739611 + ... + 5858676.

It is an arithmetic number, because the mean of its divisors is an integer number (88697907480).

Almost surely, 2^690480819971 is an apocalyptic number.

690480819971 is a deficient number, since it is larger than the sum of its proper divisors (19102439869).

690480819971 is a wasteful number, since it uses less digits than its factorization.

690480819971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11599933.

The product of its (nonzero) digits is 7838208, while the sum is 62.

The spelling of 690480819971 in words is "six hundred ninety billion, four hundred eighty million, eight hundred nineteen thousand, nine hundred seventy-one".