70504587649 has 32 divisors (see below), whose sum is σ = 77833728000. Its totient is φ = 63629712000.

The previous prime is 70504587641. The next prime is 70504587653. The reversal of 70504587649 is 94678540507.

It is a cyclic number.

It is not a de Polignac number, because 70504587649 - 2³ = 70504587641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70504587649.

It is not an unprimeable number, because it can be changed into a prime (70504587641) 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, 6935032 + ... + 6945190.

It is an arithmetic number, because the mean of its divisors is an integer number (2432304000).

Almost surely, 2^70504587649 is an apocalyptic number.

It is an amenable number.

70504587649 is a deficient number, since it is larger than the sum of its proper divisors (7329140351).

70504587649 is a wasteful number, since it uses less digits than its factorization.

70504587649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10429.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 70504587649 in words is "seventy billion, five hundred four million, five hundred eighty-seven thousand, six hundred forty-nine".