32151968929 has 4 divisors (see below), whose sum is σ = 33844177840. Its totient is φ = 30459760020.

The previous prime is 32151968923. The next prime is 32151968951. The reversal of 32151968929 is 92986915123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32151968929 - 2¹⁹ = 32151444641 is a prime.

It is a super-2 number, since 2×32151968929² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32151968929.

It is not an unprimeable number, because it can be changed into a prime (32151968923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846104427 + ... + 846104464.

It is an arithmetic number, because the mean of its divisors is an integer number (8461044460).

Almost surely, 2^32151968929 is an apocalyptic number.

It is an amenable number.

32151968929 is a deficient number, since it is larger than the sum of its proper divisors (1692208911).

32151968929 is a wasteful number, since it uses less digits than its factorization.

32151968929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692208910.

The product of its digits is 2099520, while the sum is 55.

The spelling of 32151968929 in words is "thirty-two billion, one hundred fifty-one million, nine hundred sixty-eight thousand, nine hundred twenty-nine".