2475394541861 has 16 divisors (see below), whose sum is σ = 2548469970816. Its totient is φ = 2403066548736.

The previous prime is 2475394541857. The next prime is 2475394541869. The reversal of 2475394541861 is 1681454935742.

It is a cyclic number.

It is not a de Polignac number, because 2475394541861 - 2² = 2475394541857 is a prime.

It is a super-2 number, since 2×2475394541861² (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 2475394541861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2475394541869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4644041 + ... + 5149553.

It is an arithmetic number, because the mean of its divisors is an integer number (159279373176).

Almost surely, 2^{2475394541861} is an apocalyptic number.

It is an amenable number.

2475394541861 is a deficient number, since it is larger than the sum of its proper divisors (73075428955).

2475394541861 is a wasteful number, since it uses less digits than its factorization.

2475394541861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506252.

The product of its digits is 29030400, while the sum is 59.

The spelling of 2475394541861 in words is "two trillion, four hundred seventy-five billion, three hundred ninety-four million, five hundred forty-one thousand, eight hundred sixty-one".