2239171001965 has 16 divisors (see below), whose sum is σ = 2804294078208. Its totient is φ = 1713169915776.

The previous prime is 2239171001927. The next prime is 2239171001987. The reversal of 2239171001965 is 5691001719322.

It is a de Polignac number, because none of the positive numbers 2^k-2239171001965 is a prime.

It is a super-2 number, since 2×2239171001965² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

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, 904689 + ... + 2301478.

It is an arithmetic number, because the mean of its divisors is an integer number (175268379888).

Almost surely, 2^{2239171001965} is an apocalyptic number.

It is an amenable number.

2239171001965 is a deficient number, since it is larger than the sum of its proper divisors (565123076243).

2239171001965 is a wasteful number, since it uses less digits than its factorization.

2239171001965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212268.

The product of its (nonzero) digits is 204120, while the sum is 46.

The spelling of 2239171001965 in words is "two trillion, two hundred thirty-nine billion, one hundred seventy-one million, one thousand, nine hundred sixty-five".