951645641 has 4 divisors (see below), whose sum is σ = 952036992. Its totient is φ = 951254292.

The previous prime is 951645623. The next prime is 951645683. The reversal of 951645641 is 146546159.

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, and also an emirpimes, since its reverse is a distinct semiprime: 146546159 = 37 ⋅3960707.

It is a cyclic number.

It is not a de Polignac number, because 951645641 - 2⁶ = 951645577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (951645241) 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, 192005 + ... + 196898.

It is an arithmetic number, because the mean of its divisors is an integer number (238009248).

Almost surely, 2^951645641 is an apocalyptic number.

It is an amenable number.

951645641 is a deficient number, since it is larger than the sum of its proper divisors (391351).

951645641 is a wasteful number, since it uses less digits than its factorization.

951645641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391350.

The product of its digits is 129600, while the sum is 41.

The square root of 951645641 is about 30848.7542860324. The cubic root of 951645641 is about 983.6148743071.

The spelling of 951645641 in words is "nine hundred fifty-one million, six hundred forty-five thousand, six hundred forty-one".