70449595551 has 12 divisors (see below), whose sum is σ = 104510811912. Its totient is φ = 45697034736.

The previous prime is 70449595499. The next prime is 70449595553. The reversal of 70449595551 is 15559594407.

70449595551 is a `hidden beast` number, since 7 + 0 + 4 + 49 + 595 + 5 + 5 + 1 = 666.

It is not a de Polignac number, because 70449595551 - 2¹³ = 70449587359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70449595553) 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 11 ways as a sum of consecutive naturals, for example, 105779841 + ... + 105780506.

It is an arithmetic number, because the mean of its divisors is an integer number (8709234326).

Almost surely, 2^70449595551 is an apocalyptic number.

70449595551 is a deficient number, since it is larger than the sum of its proper divisors (34061216361).

70449595551 is a wasteful number, since it uses less digits than its factorization.

70449595551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211560390 (or 211560387 counting only the distinct ones).

The product of its (nonzero) digits is 5670000, while the sum is 54.

The spelling of 70449595551 in words is "seventy billion, four hundred forty-nine million, five hundred ninety-five thousand, five hundred fifty-one".