7012257649 has 8 divisors (see below), whose sum is σ = 7204017960. Its totient is φ = 6820615296.

The previous prime is 7012257617. The next prime is 7012257701. The reversal of 7012257649 is 9467522107.

It can be written as a sum of positive squares in 4 ways, for example, as 1848398049 + 5163859600 = 42993^2 + 71860^2 .

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 7012257649 - 2⁵ = 7012257617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7012257349) 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, 98517 + ... + 154045.

It is an arithmetic number, because the mean of its divisors is an integer number (900502245).

Almost surely, 2^7012257649 is an apocalyptic number.

It is an amenable number.

7012257649 is a deficient number, since it is larger than the sum of its proper divisors (191760311).

7012257649 is a wasteful number, since it uses less digits than its factorization.

7012257649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58979.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 7012257649 is about 83739.2240768924. The cubic root of 7012257649 is about 1914.0471049503.

The spelling of 7012257649 in words is "seven billion, twelve million, two hundred fifty-seven thousand, six hundred forty-nine".