1971864014 has 32 divisors (see below), whose sum is σ = 3186444096. Its totient is φ = 912764160.

The previous prime is 1971863989. The next prime is 1971864031. The reversal of 1971864014 is 4104681791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332354 + ... + 338234.

It is an arithmetic number, because the mean of its divisors is an integer number (99576378).

Almost surely, 2^1971864014 is an apocalyptic number.

1971864014 is a deficient number, since it is larger than the sum of its proper divisors (1214580082).

1971864014 is a wasteful number, since it uses less digits than its factorization.

1971864014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6140.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1971864014 is about 44405.6754705972. The cubic root of 1971864014 is about 1253.9849390291.

The spelling of 1971864014 in words is "one billion, nine hundred seventy-one million, eight hundred sixty-four thousand, fourteen".