7421266057361 has 8 divisors (see below), whose sum is σ = 8123151246504. Its totient is φ = 6738097806720.

The previous prime is 7421266057333. The next prime is 7421266057441. The reversal of 7421266057361 is 1637506621247.

It can be written as a sum of positive squares in 4 ways, for example, as 92686149136 + 7328579908225 = 304444^2 + 2707135^2 .

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 7421266057361 - 2¹⁴ = 7421266040977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7421266057301) 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, 4679233796 + ... + 4679235381.

It is an arithmetic number, because the mean of its divisors is an integer number (1015393905813).

Almost surely, 2^{7421266057361} is an apocalyptic number.

It is an amenable number.

7421266057361 is a deficient number, since it is larger than the sum of its proper divisors (701885189143).

7421266057361 is a wasteful number, since it uses less digits than its factorization.

7421266057361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9358469251.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 7421266057361 in words is "seven trillion, four hundred twenty-one billion, two hundred sixty-six million, fifty-seven thousand, three hundred sixty-one".