1067263993949 has 2 divisors, whose sum is σ = 1067263993950. Its totient is φ = 1067263993948.

The previous prime is 1067263993931. The next prime is 1067263993973. The reversal of 1067263993949 is 9493993627601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 722001985849 + 345262008100 = 849707^2 + 587590^2 .

It is a cyclic number.

It is not a de Polignac number, because 1067263993949 - 2¹⁶ = 1067263928413 is a prime.

It is a super-2 number, since 2×1067263993949² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1067263993909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533631996974 + 533631996975.

It is an arithmetic number, because the mean of its divisors is an integer number (533631996975).

Almost surely, 2^{1067263993949} is an apocalyptic number.

It is an amenable number.

1067263993949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067263993949 is an equidigital number, since it uses as much as digits as its factorization.

1067263993949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119042784, while the sum is 68.

The spelling of 1067263993949 in words is "one trillion, sixty-seven billion, two hundred sixty-three million, nine hundred ninety-three thousand, nine hundred forty-nine".