1995505373 has 8 divisors (see below), whose sum is σ = 2114102592. Its totient is φ = 1877043136.

The previous prime is 1995505363. The next prime is 1995505387. The reversal of 1995505373 is 3735055991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1995505373 - 2²⁸ = 1727069917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995505363) 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, 2465 + ... + 63222.

It is an arithmetic number, because the mean of its divisors is an integer number (264262824).

Almost surely, 2^1995505373 is an apocalyptic number.

It is an amenable number.

1995505373 is a deficient number, since it is larger than the sum of its proper divisors (118597219).

1995505373 is a wasteful number, since it uses less digits than its factorization.

1995505373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67491.

The product of its (nonzero) digits is 637875, while the sum is 47.

The square root of 1995505373 is about 44671.0798280051. The cubic root of 1995505373 is about 1258.9765294685.

The spelling of 1995505373 in words is "one billion, nine hundred ninety-five million, five hundred five thousand, three hundred seventy-three".