7012890049 has 27 divisors (see below), whose sum is σ = 8082520257. Its totient is φ = 6079741800.

The previous prime is 7012890047. The next prime is 7012890061. The reversal of 7012890049 is 9400982107.

The square root of 7012890049 is 83743.

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

It is not a de Polignac number, because 7012890049 - 2¹ = 7012890047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7012889993 and 7012890020.

It is not an unprimeable number, because it can be changed into a prime (7012890041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 21186814 + ... + 21187144.

Almost surely, 2^7012890049 is an apocalyptic number.

7012890049 is the 83743-rd square number.

7012890049 is the 41872-nd centered octagonal number.

It is an amenable number.

7012890049 is a deficient number, since it is larger than the sum of its proper divisors (1069630208).

7012890049 is an equidigital number, since it uses as much as digits as its factorization.

7012890049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The cubic root of 7012890049 is about 1914.1046426252.

The spelling of 7012890049 in words is "seven billion, twelve million, eight hundred ninety thousand, forty-nine".