61069699436 has 12 divisors (see below), whose sum is σ = 107113223112. Its totient is φ = 30465921408.

The previous prime is 61069699421. The next prime is 61069699459. The reversal of 61069699436 is 63499696016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17230085 + ... + 17233628.

It is an arithmetic number, because the mean of its divisors is an integer number (8926101926).

Almost surely, 2^61069699436 is an apocalyptic number.

It is an amenable number.

61069699436 is a deficient number, since it is larger than the sum of its proper divisors (46043523676).

61069699436 is a wasteful number, since it uses less digits than its factorization.

61069699436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34464160 (or 34464158 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 59.

The spelling of 61069699436 in words is "sixty-one billion, sixty-nine million, six hundred ninety-nine thousand, four hundred thirty-six".