70048620889 has 9 divisors (see below), whose sum is σ = 75855191103. Its totient is φ = 64657089432.

The previous prime is 70048620869. The next prime is 70048620893. The reversal of 70048620889 is 98802684007.

The square root of 70048620889 is 264667.

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

It can be written as a sum of positive squares in only one way, i.e., 10362222025 + 59686398864 = 101795^2 + 244308^2 .

It is a de Polignac number, because none of the positive numbers 2^k-70048620889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70048620869) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3430492 + ... + 3450850.

It is an arithmetic number, because the mean of its divisors is an integer number (8428354567).

Almost surely, 2^70048620889 is an apocalyptic number.

70048620889 is the 264667-th square number.

70048620889 is the 132334-th centered octagonal number.

It is an amenable number.

70048620889 is a deficient number, since it is larger than the sum of its proper divisors (5806570214).

70048620889 is an frugal number, since it uses more digits than its factorization.

70048620889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40744 (or 20372 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 70048620889 in words is "seventy billion, forty-eight million, six hundred twenty thousand, eight hundred eighty-nine".