1895194438950 has 48 divisors (see below), whose sum is σ = 4727250378576. Its totient is φ = 502463875200.

The previous prime is 1895194438931. The next prime is 1895194438967. The reversal of 1895194438950 is 598344915981.

It is a happy number.

It is a super-2 number, since 2×1895194438950² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36490321 + ... + 36542220.

It is an arithmetic number, because the mean of its divisors is an integer number (98484382887).

Almost surely, 2^{1895194438950} is an apocalyptic number.

1895194438950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1895194438950 is an abundant number, since it is smaller than the sum of its proper divisors (2832055939626).

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

1895194438950 is a wasteful number, since it uses less digits than its factorization.

1895194438950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73032729 (or 73032724 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 66.

The spelling of 1895194438950 in words is "one trillion, eight hundred ninety-five billion, one hundred ninety-four million, four hundred thirty-eight thousand, nine hundred fifty".