70249720963 has 4 divisors (see below), whose sum is σ = 71883435448. Its totient is φ = 68616006480.

The previous prime is 70249720903. The next prime is 70249720969. The reversal of 70249720963 is 36902794207.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70249720963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70249720969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816857178 + ... + 816857263.

It is an arithmetic number, because the mean of its divisors is an integer number (17970858862).

Almost surely, 2^70249720963 is an apocalyptic number.

70249720963 is a deficient number, since it is larger than the sum of its proper divisors (1633714485).

70249720963 is a wasteful number, since it uses less digits than its factorization.

70249720963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633714484.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 70249720963 in words is "seventy billion, two hundred forty-nine million, seven hundred twenty thousand, nine hundred sixty-three".