70861012949 has 8 divisors (see below), whose sum is σ = 72616762008. Its totient is φ = 69106570240.

The previous prime is 70861012939. The next prime is 70861012951. The reversal of 70861012949 is 94921016807.

It can be written as a sum of positive squares in 4 ways, for example, as 19011445924 + 51849567025 = 137882^2 + 227705^2 .

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 70861012949 - 2⁴ = 70861012933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70861012939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216302 + ... + 434175.

It is an arithmetic number, because the mean of its divisors is an integer number (9077095251).

Almost surely, 2^70861012949 is an apocalyptic number.

It is an amenable number.

70861012949 is a deficient number, since it is larger than the sum of its proper divisors (1755749059).

70861012949 is a wasteful number, since it uses less digits than its factorization.

70861012949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653175.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 70861012949 in words is "seventy billion, eight hundred sixty-one million, twelve thousand, nine hundred forty-nine".