7420961069 has 2 divisors, whose sum is σ = 7420961070. Its totient is φ = 7420961068.

The previous prime is 7420961011. The next prime is 7420961099. The reversal of 7420961069 is 9601690247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6656438569 + 764522500 = 81587^2 + 27650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7420961069 is a prime.

It is a super-2 number, since 2×7420961069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7420961099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710480534 + 3710480535.

It is an arithmetic number, because the mean of its divisors is an integer number (3710480535).

Almost surely, 2^7420961069 is an apocalyptic number.

It is an amenable number.

7420961069 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420961069 is an equidigital number, since it uses as much as digits as its factorization.

7420961069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 7420961069 is about 86145.0002553834. Note that the first 3 decimals coincide. The cubic root of 7420961069 is about 1950.5333688036.

Subtracting from 7420961069 its sum of digits (44), we obtain a square (7420961025 = 86145²).

The spelling of 7420961069 in words is "seven billion, four hundred twenty million, nine hundred sixty-one thousand, sixty-nine".