10220001970949 has 2 divisors, whose sum is σ = 10220001970950. Its totient is φ = 10220001970948.

The previous prime is 10220001970939. The next prime is 10220001970957. The reversal of 10220001970949 is 94907910002201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10215739186849 + 4262784100 = 3196207^2 + 65290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10220001970949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10220001970909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110000985474 + 5110000985475.

It is an arithmetic number, because the mean of its divisors is an integer number (5110000985475).

Almost surely, 2^{10220001970949} is an apocalyptic number.

It is an amenable number.

10220001970949 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220001970949 is an equidigital number, since it uses as much as digits as its factorization.

10220001970949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 10220001970949 in words is "ten trillion, two hundred twenty billion, one million, nine hundred seventy thousand, nine hundred forty-nine".