949272181636 has 27 divisors (see below), whose sum is σ = 1666031315319. Its totient is φ = 473267190888.

The previous prime is 949272181631. The next prime is 949272181723. The reversal of 949272181636 is 636181272949.

The square root of 949272181636 is 974306.

It is a perfect power (a square), and thus also a powerful number.

949272181636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×949272181636² (a number of 25 digits) contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (949272181631) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1206190435 + ... + 1206191221.

Almost surely, 2^949272181636 is an apocalyptic number.

949272181636 is the 974306-th square number.

It is an amenable number.

949272181636 is a deficient number, since it is larger than the sum of its proper divisors (716759133683).

949272181636 is an frugal number, since it uses more digits than its factorization.

949272181636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816 (or 1408 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 58.

The spelling of 949272181636 in words is "nine hundred forty-nine billion, two hundred seventy-two million, one hundred eighty-one thousand, six hundred thirty-six".