70025621516929 has 12 divisors (see below), whose sum is σ = 76865280598956. Its totient is φ = 63753568998912.

The previous prime is 70025621516927. The next prime is 70025621516969. The reversal of 70025621516929 is 92961512652007.

It can be written as a sum of positive squares in 6 ways, for example, as 6697019379600 + 63328602137329 = 2587860^2 + 7957927^2 .

It is not a de Polignac number, because 70025621516929 - 2¹ = 70025621516927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70025621516929.

It is not an unprimeable number, because it can be changed into a prime (70025621516923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2838020472 + ... + 2838045145.

It is an arithmetic number, because the mean of its divisors is an integer number (6405440049913).

Almost surely, 2^{70025621516929} is an apocalyptic number.

It is an amenable number.

70025621516929 is a deficient number, since it is larger than the sum of its proper divisors (6839659082027).

70025621516929 is a wasteful number, since it uses less digits than its factorization.

70025621516929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676065716 (or 5676065703 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 70025621516929 in words is "seventy trillion, twenty-five billion, six hundred twenty-one million, five hundred sixteen thousand, nine hundred twenty-nine".