2657287029259 has 4 divisors (see below), whose sum is σ = 2669203114816. Its totient is φ = 2645370943704.

The previous prime is 2657287029251. The next prime is 2657287029277. The reversal of 2657287029259 is 9529207827562.

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

It is a cyclic number.

It is not a de Polignac number, because 2657287029259 - 2³ = 2657287029251 is a prime.

It is a super-2 number, since 2×2657287029259² (a number of 26 digits) contains 22 as substring.

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 2657287029259.

It is not an unprimeable number, because it can be changed into a prime (2657287029251) 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, 5958042444 + ... + 5958042889.

It is an arithmetic number, because the mean of its divisors is an integer number (667300778704).

Almost surely, 2^{2657287029259} is an apocalyptic number.

2657287029259 is a deficient number, since it is larger than the sum of its proper divisors (11916085557).

2657287029259 is a wasteful number, since it uses less digits than its factorization.

2657287029259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11916085556.

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 2657287029259 in words is "two trillion, six hundred fifty-seven billion, two hundred eighty-seven million, twenty-nine thousand, two hundred fifty-nine".