1958971970 has 16 divisors (see below), whose sum is σ = 3527972280. Its totient is φ = 783183744.

The previous prime is 1958971967. The next prime is 1958971997. The reversal of 1958971970 is 791798591.

It can be written as a sum of positive squares in 4 ways, for example, as 1841010649 + 117961321 = 42907^2 + 10861^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29915 + ... + 69374.

Almost surely, 2^1958971970 is an apocalyptic number.

1958971970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1958971970 is a deficient number, since it is larger than the sum of its proper divisors (1569000310).

1958971970 is a wasteful number, since it uses less digits than its factorization.

1958971970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101269.

The product of its (nonzero) digits is 1428840, while the sum is 56.

The square root of 1958971970 is about 44260.2753041596. The cubic root of 1958971970 is about 1251.2461109532.

The spelling of 1958971970 in words is "one billion, nine hundred fifty-eight million, nine hundred seventy-one thousand, nine hundred seventy".