4079205054457 has 4 divisors (see below), whose sum is σ = 4392990058660. Its totient is φ = 3765420050256.

The previous prime is 4079205054409. The next prime is 4079205054461. The reversal of 4079205054457 is 7544505029704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1886018808976 + 2193186245481 = 1373324^2 + 1480941^2 .

It is a cyclic number.

It is not a de Polignac number, because 4079205054457 - 2²³ = 4079196665849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4079205054497) 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, 156892502082 + ... + 156892502107.

It is an arithmetic number, because the mean of its divisors is an integer number (1098247514665).

Almost surely, 2^{4079205054457} is an apocalyptic number.

It is an amenable number.

4079205054457 is a deficient number, since it is larger than the sum of its proper divisors (313785004203).

4079205054457 is a wasteful number, since it uses less digits than its factorization.

4079205054457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313785004202.

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 4079205054457 in words is "four trillion, seventy-nine billion, two hundred five million, fifty-four thousand, four hundred fifty-seven".