949198867 has 2 divisors, whose sum is σ = 949198868. Its totient is φ = 949198866.

The previous prime is 949198853. The next prime is 949198907. The reversal of 949198867 is 768891949.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-949198867 is a prime.

It is a super-2 number, since 2×949198867² = 1801956978228167378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (949198267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474599433 + 474599434.

It is an arithmetic number, because the mean of its divisors is an integer number (474599434).

Almost surely, 2^949198867 is an apocalyptic number.

949198867 is a deficient number, since it is larger than the sum of its proper divisors (1).

949198867 is an equidigital number, since it uses as much as digits as its factorization.

949198867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 61.

The square root of 949198867 is about 30809.0711804170. The cubic root of 949198867 is about 982.7711607951.

The spelling of 949198867 in words is "nine hundred forty-nine million, one hundred ninety-eight thousand, eight hundred sixty-seven".