98909219699954 has 4 divisors (see below), whose sum is σ = 148363829549934. Its totient is φ = 49454609849976.

The previous prime is 98909219699947. The next prime is 98909219699971. The reversal of 98909219699954 is 45999691290989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79726773130225 + 19182446569729 = 8928985^2 + 4379777^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 98909219699954.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24727304924987 + ... + 24727304924990.

Almost surely, 2^{98909219699954} is an apocalyptic number.

98909219699954 is a deficient number, since it is larger than the sum of its proper divisors (49454609849980).

98909219699954 is a wasteful number, since it uses less digits than its factorization.

98909219699954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49454609849979.

The product of its (nonzero) digits is 9183300480, while the sum is 89.

The spelling of 98909219699954 in words is "ninety-eight trillion, nine hundred nine billion, two hundred nineteen million, six hundred ninety-nine thousand, nine hundred fifty-four".