2139417970 has 8 divisors (see below), whose sum is σ = 3850952364. Its totient is φ = 855767184.

The previous prime is 2139417967. The next prime is 2139417971. The reversal of 2139417970 is 797149312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2132869489 + 6548481 = 46183^2 + 2559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2139417971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106970889 + ... + 106970908.

Almost surely, 2^2139417970 is an apocalyptic number.

2139417970 is a deficient number, since it is larger than the sum of its proper divisors (1711534394).

2139417970 is a wasteful number, since it uses less digits than its factorization.

2139417970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213941804.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 2139417970 is about 46253.8427592779. The cubic root of 2139417970 is about 1288.5419035926.

The spelling of 2139417970 in words is "two billion, one hundred thirty-nine million, four hundred seventeen thousand, nine hundred seventy".