7161426722769 has 32 divisors (see below), whose sum is σ = 11409685971840. Its totient is φ = 3944088960000.

The previous prime is 7161426722767. The next prime is 7161426722831. The reversal of 7161426722769 is 9672276241617.

It is not a de Polignac number, because 7161426722769 - 2¹ = 7161426722767 is a prime.

It is a super-2 number, since 2×7161426722769² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7161426722761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220077982 + ... + 220110519.

It is an arithmetic number, because the mean of its divisors is an integer number (356552686620).

Almost surely, 2^{7161426722769} is an apocalyptic number.

It is an amenable number.

7161426722769 is a deficient number, since it is larger than the sum of its proper divisors (4248259249071).

7161426722769 is a wasteful number, since it uses less digits than its factorization.

7161426722769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440188561.

The product of its digits is 21337344, while the sum is 60.

The spelling of 7161426722769 in words is "seven trillion, one hundred sixty-one billion, four hundred twenty-six million, seven hundred twenty-two thousand, seven hundred sixty-nine".