1886838333345 has 64 divisors (see below), whose sum is σ = 3965768640000. Its totient is φ = 832811390208.

The previous prime is 1886838333337. The next prime is 1886838333353. The reversal of 1886838333345 is 5433338386881.

It is a happy number.

1886838333345 is a `hidden beast` number, since 188 + 6 + 8 + 3 + 83 + 33 + 345 = 666.

It is an interprime number because it is at equal distance from previous prime (1886838333337) and next prime (1886838333353).

It is not a de Polignac number, because 1886838333345 - 2³ = 1886838333337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34397670 + ... + 34452479.

It is an arithmetic number, because the mean of its divisors is an integer number (61965135000).

Almost surely, 2^{1886838333345} is an apocalyptic number.

1886838333345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1886838333345 is an abundant number, since it is smaller than the sum of its proper divisors (2078930306655).

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

1886838333345 is a wasteful number, since it uses less digits than its factorization.

1886838333345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68850199 (or 68850193 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 63.

The spelling of 1886838333345 in words is "one trillion, eight hundred eighty-six billion, eight hundred thirty-eight million, three hundred thirty-three thousand, three hundred forty-five".