9955619458 has 16 divisors (see below), whose sum is σ = 15826339224. Its totient is φ = 4680709120.

The previous prime is 9955619393. The next prime is 9955619459. The reversal of 9955619458 is 8549165599.

It can be written as a sum of positive squares in 4 ways, for example, as 5999586849 + 3956032609 = 77457^2 + 62897^2 .

It is a super-2 number, since 2×9955619458² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9955619396 and 9955619405.

It is not an unprimeable number, because it can be changed into a prime (9955619459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96163 + ... + 170758.

Almost surely, 2^9955619458 is an apocalyptic number.

9955619458 is a deficient number, since it is larger than the sum of its proper divisors (5870719766).

9955619458 is a wasteful number, since it uses less digits than its factorization.

9955619458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268037.

The product of its digits is 17496000, while the sum is 61.

The square root of 9955619458 is about 99777.8505380828. The cubic root of 9955619458 is about 2151.2427974589.

The spelling of 9955619458 in words is "nine billion, nine hundred fifty-five million, six hundred nineteen thousand, four hundred fifty-eight".