1300331011949 has 2 divisors, whose sum is σ = 1300331011950. Its totient is φ = 1300331011948.

The previous prime is 1300331011939. The next prime is 1300331011979. The reversal of 1300331011949 is 9491101330031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1256681356324 + 43649655625 = 1121018^2 + 208925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1300331011949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300331011939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650165505974 + 650165505975.

It is an arithmetic number, because the mean of its divisors is an integer number (650165505975).

Almost surely, 2^{1300331011949} is an apocalyptic number.

It is an amenable number.

1300331011949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300331011949 is an equidigital number, since it uses as much as digits as its factorization.

1300331011949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The spelling of 1300331011949 in words is "one trillion, three hundred billion, three hundred thirty-one million, eleven thousand, nine hundred forty-nine".