2345657211649 has 8 divisors (see below), whose sum is σ = 2347467720840. Its totient is φ = 2343846912000.

The previous prime is 2345657211647. The next prime is 2345657211713. The reversal of 2345657211649 is 9461127565432.

It can be written as a sum of positive squares in 4 ways, for example, as 369785610000 + 1975871601649 = 608100^2 + 1405657^2 .

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 2345657211649 - 2¹ = 2345657211647 is a prime.

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 2345657211649.

It is not an unprimeable number, because it can be changed into a prime (2345657211647) 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, 28083349 + ... + 28166749.

It is an arithmetic number, because the mean of its divisors is an integer number (293433465105).

Almost surely, 2^{2345657211649} is an apocalyptic number.

It is an amenable number.

2345657211649 is a deficient number, since it is larger than the sum of its proper divisors (1810509191).

2345657211649 is a wasteful number, since it uses less digits than its factorization.

2345657211649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104771.

The product of its digits is 10886400, while the sum is 55.

The spelling of 2345657211649 in words is "two trillion, three hundred forty-five billion, six hundred fifty-seven million, two hundred eleven thousand, six hundred forty-nine".