61469353899 has 16 divisors (see below), whose sum is σ = 96422516640. Its totient is φ = 38569006080.

The previous prime is 61469353817. The next prime is 61469353909. The reversal of 61469353899 is 99835396416.

61469353899 is a `hidden beast` number, since 6 + 1 + 4 + 6 + 9 + 3 + 538 + 99 = 666.

It is not a de Polignac number, because 61469353899 - 2¹⁷ = 61469222827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61469353499) 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, 66959622 + ... + 66960539.

It is an arithmetic number, because the mean of its divisors is an integer number (6026407290).

Almost surely, 2^61469353899 is an apocalyptic number.

61469353899 is a deficient number, since it is larger than the sum of its proper divisors (34953162741).

61469353899 is a wasteful number, since it uses less digits than its factorization.

61469353899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133920187 (or 133920181 counting only the distinct ones).

The product of its digits is 37791360, while the sum is 63.

The spelling of 61469353899 in words is "sixty-one billion, four hundred sixty-nine million, three hundred fifty-three thousand, eight hundred ninety-nine".