99639146127482 has 16 divisors (see below), whose sum is σ = 162549162993672. Its totient is φ = 45531978427200.

The previous prime is 99639146127461. The next prime is 99639146127487. The reversal of 99639146127482 is 28472164193699.

It is a Cunningham number, because it is equal to 9981941²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 99639146127481 + 1 = 9981941^2 + 1^2 .

It is a super-2 number, since 2×99639146127482² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99639146127487) 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, 18971655053 + ... + 18971660304.

Almost surely, 2^{99639146127482} is an apocalyptic number.

99639146127482 is a deficient number, since it is larger than the sum of its proper divisors (62910016866190).

99639146127482 is a wasteful number, since it uses less digits than its factorization.

99639146127482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37943315473.

The product of its digits is 282175488, while the sum is 71.

The spelling of 99639146127482 in words is "ninety-nine trillion, six hundred thirty-nine billion, one hundred forty-six million, one hundred twenty-seven thousand, four hundred eighty-two".