949041851 has 2 divisors, whose sum is σ = 949041852. Its totient is φ = 949041850.

The previous prime is 949041833. The next prime is 949041901. The reversal of 949041851 is 158140949.

It is a weak prime.

It is an emirp because it is prime and its reverse (158140949) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-949041851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 949041799 and 949041808.

It is not a weakly prime, because it can be changed into another prime (949011851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474520925 + 474520926.

It is an arithmetic number, because the mean of its divisors is an integer number (474520926).

Almost surely, 2^949041851 is an apocalyptic number.

949041851 is a deficient number, since it is larger than the sum of its proper divisors (1).

949041851 is an equidigital number, since it uses as much as digits as its factorization.

949041851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 949041851 is about 30806.5228644844. The cubic root of 949041851 is about 982.7169679695.

The spelling of 949041851 in words is "nine hundred forty-nine million, forty-one thousand, eight hundred fifty-one".