949218765 has 64 divisors (see below), whose sum is σ = 1704637440. Its totient is φ = 447068160.

The previous prime is 949218719. The next prime is 949218769. The reversal of 949218765 is 567812949.

It is not a de Polignac number, because 949218765 - 2⁹ = 949218253 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949218769) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2504346 + ... + 2504724.

It is an arithmetic number, because the mean of its divisors is an integer number (26634960).

Almost surely, 2^949218765 is an apocalyptic number.

It is an amenable number.

949218765 is a deficient number, since it is larger than the sum of its proper divisors (755418675).

949218765 is a wasteful number, since it uses less digits than its factorization.

949218765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794.

The product of its digits is 1088640, while the sum is 51.

The square root of 949218765 is about 30809.3941030978. The cubic root of 949218765 is about 982.7780280051.

The spelling of 949218765 in words is "nine hundred forty-nine million, two hundred eighteen thousand, seven hundred sixty-five".