7122492769 has 4 divisors (see below), whose sum is σ = 8139991744. Its totient is φ = 6104993796.

The previous prime is 7122492749. The next prime is 7122492787. The reversal of 7122492769 is 9672942217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7122492769 - 2¹⁹ = 7121968481 is a prime.

It is a super-2 number, since 2×7122492769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7122492739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508749477 + ... + 508749490.

It is an arithmetic number, because the mean of its divisors is an integer number (2034997936).

Almost surely, 2^7122492769 is an apocalyptic number.

It is an amenable number.

7122492769 is a deficient number, since it is larger than the sum of its proper divisors (1017498975).

7122492769 is a wasteful number, since it uses less digits than its factorization.

7122492769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017498974.

The product of its digits is 762048, while the sum is 49.

The square root of 7122492769 is about 84394.8622192133. The cubic root of 7122492769 is about 1924.0248296531.

The spelling of 7122492769 in words is "seven billion, one hundred twenty-two million, four hundred ninety-two thousand, seven hundred sixty-nine".