69157249042 has 16 divisors (see below), whose sum is σ = 118642043520. Its totient is φ = 29617131168.

The previous prime is 69157249037. The next prime is 69157249081. The reversal of 69157249042 is 24094275196.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1787667 + ... + 1825942.

It is an arithmetic number, because the mean of its divisors is an integer number (7415127720).

Almost surely, 2^69157249042 is an apocalyptic number.

69157249042 is a deficient number, since it is larger than the sum of its proper divisors (49484794478).

69157249042 is a wasteful number, since it uses less digits than its factorization.

69157249042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614985.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 69157249042 in words is "sixty-nine billion, one hundred fifty-seven million, two hundred forty-nine thousand, forty-two".