70248002651 has 4 divisors (see below), whose sum is σ = 72670347600. Its totient is φ = 67825657704.

The previous prime is 70248002647. The next prime is 70248002659. The reversal of 70248002651 is 15620084207.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70248002651 - 2² = 70248002647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70248002659) 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 3 ways as a sum of consecutive naturals, for example, 1211172431 + ... + 1211172488.

It is an arithmetic number, because the mean of its divisors is an integer number (18167586900).

Almost surely, 2^70248002651 is an apocalyptic number.

70248002651 is a deficient number, since it is larger than the sum of its proper divisors (2422344949).

70248002651 is a wasteful number, since it uses less digits than its factorization.

70248002651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422344948.

The product of its (nonzero) digits is 26880, while the sum is 35.

Adding to 70248002651 its reverse (15620084207), we get a palindrome (85868086858).

The spelling of 70248002651 in words is "seventy billion, two hundred forty-eight million, two thousand, six hundred fifty-one".