99694461698 has 8 divisors (see below), whose sum is σ = 161044899708. Its totient is φ = 46012828464.

The previous prime is 99694461697. The next prime is 99694461739. The reversal of 99694461698 is 89616449699.

It can be written as a sum of positive squares in 2 ways, for example, as 97052810089 + 2641651609 = 311533^2 + 51397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (99694461697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1917201161 + ... + 1917201212.

Almost surely, 2^99694461698 is an apocalyptic number.

99694461698 is a deficient number, since it is larger than the sum of its proper divisors (61350438010).

99694461698 is a wasteful number, since it uses less digits than its factorization.

99694461698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834402388.

The product of its digits is 181398528, while the sum is 71.

The spelling of 99694461698 in words is "ninety-nine billion, six hundred ninety-four million, four hundred sixty-one thousand, six hundred ninety-eight".