9965142955 has 16 divisors (see below), whose sum is σ = 12485332224. Its totient is φ = 7621076320.

The previous prime is 9965142949. The next prime is 9965142961. The reversal of 9965142955 is 5592415699.

It is an interprime number because it is at equal distance from previous prime (9965142949) and next prime (9965142961).

It is not a de Polignac number, because 9965142955 - 2⁷ = 9965142827 is a prime.

It is a super-2 number, since 2×9965142955² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9965142896 and 9965142905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181260 + ... + 229750.

It is an arithmetic number, because the mean of its divisors is an integer number (780333264).

Almost surely, 2^9965142955 is an apocalyptic number.

9965142955 is a deficient number, since it is larger than the sum of its proper divisors (2520189269).

9965142955 is a wasteful number, since it uses less digits than its factorization.

9965142955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50306.

The product of its digits is 4374000, while the sum is 55.

The square root of 9965142955 is about 99825.5626330250. The cubic root of 9965142955 is about 2151.9285349691.

The spelling of 9965142955 in words is "nine billion, nine hundred sixty-five million, one hundred forty-two thousand, nine hundred fifty-five".