69976685761 has 4 divisors (see below), whose sum is σ = 74092961412. Its totient is φ = 65860410112.

The previous prime is 69976685741. The next prime is 69976685771. The reversal of 69976685761 is 16758667996.

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

It can be written as a sum of positive squares in 2 ways, for example, as 57504040000 + 12472645761 = 239800^2 + 111681^2 .

It is a cyclic number.

It is not a de Polignac number, because 69976685761 - 2⁵ = 69976685729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69976685741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2058137800 + ... + 2058137833.

It is an arithmetic number, because the mean of its divisors is an integer number (18523240353).

Almost surely, 2^69976685761 is an apocalyptic number.

It is an amenable number.

69976685761 is a deficient number, since it is larger than the sum of its proper divisors (4116275651).

69976685761 is a wasteful number, since it uses less digits than its factorization.

69976685761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116275650.

The product of its digits is 205752960, while the sum is 70.

The spelling of 69976685761 in words is "sixty-nine billion, nine hundred seventy-six million, six hundred eighty-five thousand, seven hundred sixty-one".