945955499895 has 64 divisors (see below), whose sum is σ = 1983939502080. Its totient is φ = 418487212800.

The previous prime is 945955499891. The next prime is 945955499903. The reversal of 945955499895 is 598994559549.

945955499895 is a `hidden beast` number, since 9 + 4 + 59 + 554 + 9 + 9 + 8 + 9 + 5 = 666.

It is not a de Polignac number, because 945955499895 - 2² = 945955499891 is a prime.

It is a super-2 number, since 2×945955499895² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945955499891) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16116046 + ... + 16174635.

It is an arithmetic number, because the mean of its divisors is an integer number (30999054720).

Almost surely, 2^945955499895 is an apocalyptic number.

945955499895 is an abundant number, since it is smaller than the sum of its proper divisors (1037984002185).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

945955499895 is a wasteful number, since it uses less digits than its factorization.

945955499895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32290733 (or 32290727 counting only the distinct ones).

The product of its digits is 4723920000, while the sum is 81.

It can be divided in two parts, 945955 and 499895, that added together give a triangular number (1445850 = T₁₇₀₀).

The spelling of 945955499895 in words is "nine hundred forty-five billion, nine hundred fifty-five million, four hundred ninety-nine thousand, eight hundred ninety-five".