4546279457 has 4 divisors (see below), whose sum is σ = 4565791620. Its totient is φ = 4526767296.

The previous prime is 4546279357. The next prime is 4546279477. The reversal of 4546279457 is 7549726454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7549726454 = 2 ⋅3774863227.

It can be written as a sum of positive squares in 2 ways, for example, as 1552438801 + 2993840656 = 39401^2 + 54716^2 .

It is a cyclic number.

It is not a de Polignac number, because 4546279457 - 2¹⁶ = 4546213921 is a prime.

It is a super-2 number, since 2×4546279457² = 41337313802280429698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4546279399 and 4546279408.

It is not an unprimeable number, because it can be changed into a prime (4546279477) 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, 9755732 + ... + 9756197.

It is an arithmetic number, because the mean of its divisors is an integer number (1141447905).

Almost surely, 2^4546279457 is an apocalyptic number.

It is an amenable number.

4546279457 is a deficient number, since it is larger than the sum of its proper divisors (19512163).

4546279457 is a wasteful number, since it uses less digits than its factorization.

4546279457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19512162.

The product of its digits is 8467200, while the sum is 53.

The square root of 4546279457 is about 67426.1036765436. The cubic root of 4546279457 is about 1656.6040140340.

The spelling of 4546279457 in words is "four billion, five hundred forty-six million, two hundred seventy-nine thousand, four hundred fifty-seven".