1941986670 has 64 divisors (see below), whose sum is σ = 5314559040. Its totient is φ = 449906688.

The previous prime is 1941986663. The next prime is 1941986681. The reversal of 1941986670 is 766891491.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139825 + ... + 153084.

It is an arithmetic number, because the mean of its divisors is an integer number (83039985).

Almost surely, 2^1941986670 is an apocalyptic number.

1941986670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1941986670 is an abundant number, since it is smaller than the sum of its proper divisors (3372572370).

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

1941986670 is a wasteful number, since it uses less digits than its factorization.

1941986670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292949.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 1941986670 is about 44067.9778297121. The cubic root of 1941986670 is about 1247.6192915939.

The spelling of 1941986670 in words is "one billion, nine hundred forty-one million, nine hundred eighty-six thousand, six hundred seventy".