94612021649 has 8 divisors (see below), whose sum is σ = 94860690408. Its totient is φ = 94363626240.

The previous prime is 94612021631. The next prime is 94612021661.

94612021649 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 31971943249 + 62640078400 = 178807^2 + 250280^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94612021649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94612021619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634259 + ... + 769095.

It is an arithmetic number, because the mean of its divisors is an integer number (11857586301).

Almost surely, 2^94612021649 is an apocalyptic number.

It is an amenable number.

94612021649 is a deficient number, since it is larger than the sum of its proper divisors (248668759).

94612021649 is a wasteful number, since it uses less digits than its factorization.

94612021649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136675.

The product of its (nonzero) digits is 186624, while the sum is 44.

It can be divided in two parts, 946120 and 21649, that added together give a palindrome (967769).

The spelling of 94612021649 in words is "ninety-four billion, six hundred twelve million, twenty-one thousand, six hundred forty-nine".