7097644015409 has 2 divisors, whose sum is σ = 7097644015410. Its totient is φ = 7097644015408.

The previous prime is 7097644015333. The next prime is 7097644015457. The reversal of 7097644015409 is 9045104467907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6742461390625 + 355182624784 = 2596625^2 + 595972^2 .

It is a cyclic number.

It is not a de Polignac number, because 7097644015409 - 2²⁸ = 7097375579953 is a prime.

It is not a weakly prime, because it can be changed into another prime (7097644015459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3548822007704 + 3548822007705.

It is an arithmetic number, because the mean of its divisors is an integer number (3548822007705).

Almost surely, 2^{7097644015409} is an apocalyptic number.

It is an amenable number.

7097644015409 is a deficient number, since it is larger than the sum of its proper divisors (1).

7097644015409 is an equidigital number, since it uses as much as digits as its factorization.

7097644015409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 7097644015409 in words is "seven trillion, ninety-seven billion, six hundred forty-four million, fifteen thousand, four hundred nine".