1894028216049 has 16 divisors (see below), whose sum is σ = 2808380472000. Its totient is φ = 1261599742368.

The previous prime is 1894028216023. The next prime is 1894028216053. The reversal of 1894028216049 is 9406128204981.

It is a happy number.

1894028216049 is a `hidden beast` number, since 1 + 8 + 9 + 4 + 0 + 2 + 8 + 21 + 604 + 9 = 666.

It is not a de Polignac number, because 1894028216049 - 2¹³ = 1894028207857 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1894028215986 and 1894028216004.

It is not an unprimeable number, because it can be changed into a prime (1894028226049) 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, 30127324 + ... + 30190125.

It is an arithmetic number, because the mean of its divisors is an integer number (175523779500).

Almost surely, 2^{1894028216049} is an apocalyptic number.

It is an amenable number.

1894028216049 is a deficient number, since it is larger than the sum of its proper divisors (914352255951).

1894028216049 is a wasteful number, since it uses less digits than its factorization.

1894028216049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60318621 (or 60318615 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 1894028216049 in words is "one trillion, eight hundred ninety-four billion, twenty-eight million, two hundred sixteen thousand, forty-nine".