70273628649 has 32 divisors (see below), whose sum is σ = 118994400000. Its totient is φ = 40152108672.

The previous prime is 70273628599. The next prime is 70273628653. The reversal of 70273628649 is 94682637207.

70273628649 is a `hidden beast` number, since 7 + 0 + 2 + 7 + 3 + 628 + 6 + 4 + 9 = 666.

It is not a de Polignac number, because 70273628649 - 2⁷ = 70273628521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70273628595 and 70273628604.

It is not an unprimeable number, because it can be changed into a prime (70273628149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2964757 + ... + 2988365.

It is an arithmetic number, because the mean of its divisors is an integer number (3718575000).

Almost surely, 2^70273628649 is an apocalyptic number.

It is an amenable number.

70273628649 is a deficient number, since it is larger than the sum of its proper divisors (48720771351).

70273628649 is a wasteful number, since it uses less digits than its factorization.

70273628649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39374 (or 39368 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 70273628649 in words is "seventy billion, two hundred seventy-three million, six hundred twenty-eight thousand, six hundred forty-nine".