7415322440261 has 2 divisors, whose sum is σ = 7415322440262. Its totient is φ = 7415322440260.

The previous prime is 7415322440249. The next prime is 7415322440329. The reversal of 7415322440261 is 1620442235147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7385790017761 + 29532422500 = 2717681^2 + 171850^2 .

It is an emirp because it is prime and its reverse (1620442235147) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7415322440261 - 2³⁴ = 7398142571077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7415322440861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3707661220130 + 3707661220131.

It is an arithmetic number, because the mean of its divisors is an integer number (3707661220131).

Almost surely, 2^{7415322440261} is an apocalyptic number.

It is an amenable number.

7415322440261 is a deficient number, since it is larger than the sum of its proper divisors (1).

7415322440261 is an equidigital number, since it uses as much as digits as its factorization.

7415322440261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 7415322440261 in words is "seven trillion, four hundred fifteen billion, three hundred twenty-two million, four hundred forty thousand, two hundred sixty-one".