995149009951 has 16 divisors (see below), whose sum is σ = 1001916829440. Its totient is φ = 988409278080.

The previous prime is 995149009937. The next prime is 995149009963. The reversal of 995149009951 is 159900941599.

It is a cyclic number.

It is not a de Polignac number, because 995149009951 - 2²⁷ = 995014792223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 995149009951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995149019951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127693911 + ... + 127701703.

It is an arithmetic number, because the mean of its divisors is an integer number (62619801840).

Almost surely, 2^995149009951 is an apocalyptic number.

995149009951 is a deficient number, since it is larger than the sum of its proper divisors (6767819489).

995149009951 is a wasteful number, since it uses less digits than its factorization.

995149009951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9486.

The product of its (nonzero) digits is 5904900, while the sum is 61.

The spelling of 995149009951 in words is "nine hundred ninety-five billion, one hundred forty-nine million, nine thousand, nine hundred fifty-one".