7290157380817 has 2 divisors, whose sum is σ = 7290157380818. Its totient is φ = 7290157380816.

The previous prime is 7290157380721. The next prime is 7290157380827. The reversal of 7290157380817 is 7180837510927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4359706416081 + 2930450964736 = 2087991^2 + 1711856^2 .

It is an emirp because it is prime and its reverse (7180837510927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7290157380817 - 2¹⁹ = 7290156856529 is a prime.

It is not a weakly prime, because it can be changed into another prime (7290157380827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3645078690408 + 3645078690409.

It is an arithmetic number, because the mean of its divisors is an integer number (3645078690409).

Almost surely, 2^{7290157380817} is an apocalyptic number.

It is an amenable number.

7290157380817 is a deficient number, since it is larger than the sum of its proper divisors (1).

7290157380817 is an equidigital number, since it uses as much as digits as its factorization.

7290157380817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5927040, while the sum is 58.

The spelling of 7290157380817 in words is "seven trillion, two hundred ninety billion, one hundred fifty-seven million, three hundred eighty thousand, eight hundred seventeen".