1995265069 has 16 divisors (see below), whose sum is σ = 2421578880. Its totient is φ = 1605864960.

The previous prime is 1995265067. The next prime is 1995265079. The reversal of 1995265069 is 9605625991.

It is not a de Polignac number, because 1995265069 - 2¹ = 1995265067 is a prime.

It is a super-2 number, since 2×1995265069² = 7962165391143149522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995265067) 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, 51352 + ... + 81409.

It is an arithmetic number, because the mean of its divisors is an integer number (151348680).

Almost surely, 2^1995265069 is an apocalyptic number.

1995265069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1995265069 is a deficient number, since it is larger than the sum of its proper divisors (426313811).

1995265069 is a wasteful number, since it uses less digits than its factorization.

1995265069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132900.

The product of its (nonzero) digits is 1312200, while the sum is 52.

The square root of 1995265069 is about 44668.3900426241. The cubic root of 1995265069 is about 1258.9259910193.

The spelling of 1995265069 in words is "one billion, nine hundred ninety-five million, two hundred sixty-five thousand, sixty-nine".