7922315461 has 2 divisors, whose sum is σ = 7922315462. Its totient is φ = 7922315460.

The previous prime is 7922315407. The next prime is 7922315473. The reversal of 7922315461 is 1645132297.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7879935361 + 42380100 = 88769^2 + 6510^2 .

It is an emirp because it is prime and its reverse (1645132297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7922315461 - 2²⁵ = 7888761029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7922355461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3961157730 + 3961157731.

It is an arithmetic number, because the mean of its divisors is an integer number (3961157731).

Almost surely, 2^7922315461 is an apocalyptic number.

It is an amenable number.

7922315461 is a deficient number, since it is larger than the sum of its proper divisors (1).

7922315461 is an equidigital number, since it uses as much as digits as its factorization.

7922315461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 7922315461 is about 89007.3899235339. The cubic root of 7922315461 is about 1993.5052201644.

The spelling of 7922315461 in words is "seven billion, nine hundred twenty-two million, three hundred fifteen thousand, four hundred sixty-one".