69666761342 has 12 divisors (see below), whose sum is σ = 107874332448. Its totient is φ = 33708717600.

The previous prime is 69666761279. The next prime is 69666761347. The reversal of 69666761342 is 24316766696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69666761347) 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 5 ways as a sum of consecutive naturals, for example, 2061542 + ... + 2095062.

It is an arithmetic number, because the mean of its divisors is an integer number (8989527704).

Almost surely, 2^69666761342 is an apocalyptic number.

69666761342 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

69666761342 is a deficient number, since it is larger than the sum of its proper divisors (38207571106).

69666761342 is an frugal number, since it uses more digits than its factorization.

69666761342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67075 (or 33554 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 56.

The spelling of 69666761342 in words is "sixty-nine billion, six hundred sixty-six million, seven hundred sixty-one thousand, three hundred forty-two".