7842290497 has 2 divisors, whose sum is σ = 7842290498. Its totient is φ = 7842290496.

The previous prime is 7842290459. The next prime is 7842290537. The reversal of 7842290497 is 7940922487.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7648551936 + 193738561 = 87456^2 + 13919^2 .

It is a cyclic number.

It is not a de Polignac number, because 7842290497 - 2¹⁵ = 7842257729 is a prime.

It is not a weakly prime, because it can be changed into another prime (7842290297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3921145248 + 3921145249.

It is an arithmetic number, because the mean of its divisors is an integer number (3921145249).

Almost surely, 2^7842290497 is an apocalyptic number.

It is an amenable number.

7842290497 is a deficient number, since it is larger than the sum of its proper divisors (1).

7842290497 is an equidigital number, since it uses as much as digits as its factorization.

7842290497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 7842290497 is about 88556.7078035312. The cubic root of 7842290497 is about 1986.7702208526.

The spelling of 7842290497 in words is "seven billion, eight hundred forty-two million, two hundred ninety thousand, four hundred ninety-seven".