94890489849 has 27 divisors (see below), whose sum is σ = 142365938533. Its totient is φ = 63243692244.

The previous prime is 94890489763. The next prime is 94890489851. The reversal of 94890489849 is 94898409849.

The square root of 94890489849 is 308043.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (27).

It is not a de Polignac number, because 94890489849 - 2¹³ = 94890481657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94890489899) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 24949582 + ... + 24953384.

Almost surely, 2^94890489849 is an apocalyptic number.

94890489849 is the 308043-rd square number.

94890489849 is the 154022-nd centered octagonal number.

It is an amenable number.

94890489849 is a deficient number, since it is larger than the sum of its proper divisors (47475448684).

94890489849 is an frugal number, since it uses more digits than its factorization.

94890489849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7630 (or 3806 counting only the distinct ones).

The product of its (nonzero) digits is 214990848, while the sum is 72.

The spelling of 94890489849 in words is "ninety-four billion, eight hundred ninety million, four hundred eighty-nine thousand, eight hundred forty-nine".