2150965795529 has 8 divisors (see below), whose sum is σ = 2320464765960. Its totient is φ = 1986241444096.

The previous prime is 2150965795453. The next prime is 2150965795549. The reversal of 2150965795529 is 9255975690512.

It can be written as a sum of positive squares in 4 ways, for example, as 164797026304 + 1986168769225 = 405952^2 + 1409315^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2150965795529 - 2²⁸ = 2150697360073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150965795549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193653814 + ... + 1193655615.

It is an arithmetic number, because the mean of its divisors is an integer number (290058095745).

Almost surely, 2^{2150965795529} is an apocalyptic number.

It is an amenable number.

2150965795529 is a deficient number, since it is larger than the sum of its proper divisors (169498970431).

2150965795529 is a wasteful number, since it uses less digits than its factorization.

2150965795529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387309499.

The product of its (nonzero) digits is 76545000, while the sum is 65.

The spelling of 2150965795529 in words is "two trillion, one hundred fifty billion, nine hundred sixty-five million, seven hundred ninety-five thousand, five hundred twenty-nine".