1995373854 has 12 divisors (see below), whose sum is σ = 4323310056. Its totient is φ = 665124612.

The previous prime is 1995373843. The next prime is 1995373873. The reversal of 1995373854 is 4583735991.

1995373854 is a `hidden beast` number, since 199 + 5 + 373 + 85 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1995373854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55427034 + ... + 55427069.

It is an arithmetic number, because the mean of its divisors is an integer number (360275838).

Almost surely, 2^1995373854 is an apocalyptic number.

1995373854 is an abundant number, since it is smaller than the sum of its proper divisors (2327936202).

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

1995373854 is a wasteful number, since it uses less digits than its factorization.

1995373854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110854111 (or 110854108 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 1995373854 is about 44669.6077215818. The cubic root of 1995373854 is about 1258.9488701473.

The spelling of 1995373854 in words is "one billion, nine hundred ninety-five million, three hundred seventy-three thousand, eight hundred fifty-four".