901684486109 has 4 divisors (see below), whose sum is σ = 983655803040. Its totient is φ = 819713169180.

The previous prime is 901684486103. The next prime is 901684486201.

901684486109 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-901684486109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901684486103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40985658449 + ... + 40985658470.

It is an arithmetic number, because the mean of its divisors is an integer number (245913950760).

Almost surely, 2^901684486109 is an apocalyptic number.

It is an amenable number.

901684486109 is a deficient number, since it is larger than the sum of its proper divisors (81971316931).

901684486109 is a wasteful number, since it uses less digits than its factorization.

901684486109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81971316930.

The product of its (nonzero) digits is 2985984, while the sum is 56.

The spelling of 901684486109 in words is "nine hundred one billion, six hundred eighty-four million, four hundred eighty-six thousand, one hundred nine".