70426640648649 has 8 divisors (see below), whose sum is σ = 94020007092480. Its totient is φ = 46892183985296.

The previous prime is 70426640648629. The next prime is 70426640648677. The reversal of 70426640648649 is 94684604662407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70426640648649 - 2²⁰ = 70426639600073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70426640648649.

It is not an unprimeable number, because it can be changed into a prime (70426640648629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14727442329 + ... + 14727447110.

It is an arithmetic number, because the mean of its divisors is an integer number (11752500886560).

Almost surely, 2^{70426640648649} is an apocalyptic number.

It is an amenable number.

70426640648649 is a deficient number, since it is larger than the sum of its proper divisors (23593366443831).

70426640648649 is a wasteful number, since it uses less digits than its factorization.

70426640648649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29454890239.

The product of its (nonzero) digits is 334430208, while the sum is 66.

The spelling of 70426640648649 in words is "seventy trillion, four hundred twenty-six billion, six hundred forty million, six hundred forty-eight thousand, six hundred forty-nine".