70003552321 has 4 divisors (see below), whose sum is σ = 70053592000. Its totient is φ = 69953512644.

The previous prime is 70003552309. The next prime is 70003552331. The reversal of 70003552321 is 12325530007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70003552321 - 2¹¹ = 70003550273 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 70003552321.

It is not an unprimeable number, because it can be changed into a prime (70003552331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25017741 + ... + 25020538.

It is an arithmetic number, because the mean of its divisors is an integer number (17513398000).

Almost surely, 2^70003552321 is an apocalyptic number.

It is an amenable number.

70003552321 is a deficient number, since it is larger than the sum of its proper divisors (50039679).

70003552321 is a wasteful number, since it uses less digits than its factorization.

70003552321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50039678.

The product of its (nonzero) digits is 6300, while the sum is 28.

The spelling of 70003552321 in words is "seventy billion, three million, five hundred fifty-two thousand, three hundred twenty-one".