69696355561 has 8 divisors (see below), whose sum is σ = 79815207744. Its totient is φ = 59618060880.

The previous prime is 69696355559. The next prime is 69696355583. The reversal of 69696355561 is 16555369696.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69696355561 - 2¹ = 69696355559 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 69696355561.

It is not an unprimeable number, because it can be changed into a prime (69696355361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10135690 + ... + 10142563.

It is an arithmetic number, because the mean of its divisors is an integer number (9976900968).

Almost surely, 2^69696355561 is an apocalyptic number.

It is an amenable number.

69696355561 is a deficient number, since it is larger than the sum of its proper divisors (10118852183).

69696355561 is a wasteful number, since it uses less digits than its factorization.

69696355561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20278751.

The product of its digits is 39366000, while the sum is 61.

The spelling of 69696355561 in words is "sixty-nine billion, six hundred ninety-six million, three hundred fifty-five thousand, five hundred sixty-one".