2000313949 has 2 divisors, whose sum is σ = 2000313950. Its totient is φ = 2000313948.

The previous prime is 2000313941. The next prime is 2000314003. The reversal of 2000313949 is 9493130002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1021249849 + 979064100 = 31957^2 + 31290^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000313949 - 2³ = 2000313941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2000313949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000313941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000156974 + 1000156975.

It is an arithmetic number, because the mean of its divisors is an integer number (1000156975).

Almost surely, 2^2000313949 is an apocalyptic number.

It is an amenable number.

2000313949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000313949 is an equidigital number, since it uses as much as digits as its factorization.

2000313949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 2000313949 is about 44724.8694687866. The cubic root of 2000313949 is about 1259.9869716046.

The spelling of 2000313949 in words is "two billion, three hundred thirteen thousand, nine hundred forty-nine".