4970139949 has 2 divisors, whose sum is σ = 4970139950. Its totient is φ = 4970139948.

The previous prime is 4970139919. The next prime is 4970140003. The reversal of 4970139949 is 9499310794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4122282025 + 847857924 = 64205^2 + 29118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4970139949 is a prime.

It is a super-2 number, since 2×4970139949² = 49404582225291445202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4970139949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4970139919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2485069974 + 2485069975.

It is an arithmetic number, because the mean of its divisors is an integer number (2485069975).

Almost surely, 2^4970139949 is an apocalyptic number.

It is an amenable number.

4970139949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4970139949 is an equidigital number, since it uses as much as digits as its factorization.

4970139949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 4970139949 is about 70499.2194921334. The cubic root of 4970139949 is about 1706.5651499361.

The spelling of 4970139949 in words is "four billion, nine hundred seventy million, one hundred thirty-nine thousand, nine hundred forty-nine".