7426423261 has 8 divisors (see below), whose sum is σ = 7514368064. Its totient is φ = 7338988800.

The previous prime is 7426423183. The next prime is 7426423273. The reversal of 7426423261 is 1623246247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7426423261 - 2¹¹ = 7426421213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7426423261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7426423561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98271 + ... + 156556.

It is an arithmetic number, because the mean of its divisors is an integer number (939296008).

Almost surely, 2^7426423261 is an apocalyptic number.

It is an amenable number.

7426423261 is a deficient number, since it is larger than the sum of its proper divisors (87944803).

7426423261 is a wasteful number, since it uses less digits than its factorization.

7426423261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255171.

The product of its digits is 96768, while the sum is 37.

The square root of 7426423261 is about 86176.6979003025. The cubic root of 7426423261 is about 1951.0118142381.

The spelling of 7426423261 in words is "seven billion, four hundred twenty-six million, four hundred twenty-three thousand, two hundred sixty-one".