11969460697 has 4 divisors (see below), whose sum is σ = 11969684020. Its totient is φ = 11969237376.

The previous prime is 11969460673. The next prime is 11969460709. The reversal of 11969460697 is 79606496911.

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 8269901721 + 3699558976 = 90939^2 + 60824^2 .

It is a 3-Lehmer number, since φ(11969460697) divides (11969460697-1)³.

It is a cyclic number.

It is not a de Polignac number, because 11969460697 - 2¹¹ = 11969458649 is a prime.

It is a deceptive number, since it divides R_11969460696.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11969460197) 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, 22333 + ... + 156325.

It is an arithmetic number, because the mean of its divisors is an integer number (2992421005).

Almost surely, 2^11969460697 is an apocalyptic number.

11969460697 is the 89329-th pentagonal number.

It is an amenable number.

11969460697 is a deficient number, since it is larger than the sum of its proper divisors (223323).

11969460697 is an equidigital number, since it uses as much as digits as its factorization.

11969460697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223322.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The spelling of 11969460697 in words is "eleven billion, nine hundred sixty-nine million, four hundred sixty thousand, six hundred ninety-seven".