1445119767797 has 2 divisors, whose sum is σ = 1445119767798. Its totient is φ = 1445119767796.

The previous prime is 1445119767787. The next prime is 1445119767811. The reversal of 1445119767797 is 7977679115441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1014036916036 + 431082851761 = 1006994^2 + 656569^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445119767797 - 2⁶ = 1445119767733 is a prime.

It is a super-2 number, since 2×1445119767797² (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 (1445119767787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722559883898 + 722559883899.

It is an arithmetic number, because the mean of its divisors is an integer number (722559883899).

Almost surely, 2^{1445119767797} is an apocalyptic number.

It is an amenable number.

1445119767797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445119767797 is an equidigital number, since it uses as much as digits as its factorization.

1445119767797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93350880, while the sum is 68.

The spelling of 1445119767797 in words is "one trillion, four hundred forty-five billion, one hundred nineteen million, seven hundred sixty-seven thousand, seven hundred ninety-seven".