7243386778051 has 2 divisors, whose sum is σ = 7243386778052. Its totient is φ = 7243386778050.

The previous prime is 7243386777989. The next prime is 7243386778079. The reversal of 7243386778051 is 1508776833427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7243386778051 - 2³⁷ = 7105947824579 is a prime.

It is not a weakly prime, because it can be changed into another prime (7243386778081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621693389025 + 3621693389026.

It is an arithmetic number, because the mean of its divisors is an integer number (3621693389026).

Almost surely, 2^{7243386778051} is an apocalyptic number.

7243386778051 is a deficient number, since it is larger than the sum of its proper divisors (1).

7243386778051 is an equidigital number, since it uses as much as digits as its factorization.

7243386778051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 7243386778051 in words is "seven trillion, two hundred forty-three billion, three hundred eighty-six million, seven hundred seventy-eight thousand, fifty-one".