69729656493 has 16 divisors (see below), whose sum is σ = 106335313920. Its totient is φ = 39815293296.

The previous prime is 69729656383. The next prime is 69729656509. The reversal of 69729656493 is 39465692796.

It is not a de Polignac number, because 69729656493 - 2⁹ = 69729655981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69729656093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231005 + ... + 1286402.

It is an arithmetic number, because the mean of its divisors is an integer number (6645957120).

Almost surely, 2^69729656493 is an apocalyptic number.

It is an amenable number.

69729656493 is a deficient number, since it is larger than the sum of its proper divisors (36605657427).

69729656493 is a wasteful number, since it uses less digits than its factorization.

69729656493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518736.

The product of its digits is 132269760, while the sum is 66.

The spelling of 69729656493 in words is "sixty-nine billion, seven hundred twenty-nine million, six hundred fifty-six thousand, four hundred ninety-three".