2345297509648 has 20 divisors (see below), whose sum is σ = 4544064150988. Its totient is φ = 1172635793280.

The previous prime is 2345297509619. The next prime is 2345297509649. The reversal of 2345297509648 is 8469057925432.

It can be written as a sum of positive squares in 2 ways, for example, as 2170931134464 + 174366375184 = 1473408^2 + 417572^2 .

It is a super-2 number, since 2×2345297509648² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2345297509648.

It is not an unprimeable number, because it can be changed into a prime (2345297509649) 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, 776890 + ... + 2300902.

Almost surely, 2^{2345297509648} is an apocalyptic number.

It is an amenable number.

2345297509648 is a deficient number, since it is larger than the sum of its proper divisors (2198766641340).

2345297509648 is a wasteful number, since it uses less digits than its factorization.

2345297509648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620202 (or 1620196 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 64.

The spelling of 2345297509648 in words is "two trillion, three hundred forty-five billion, two hundred ninety-seven million, five hundred nine thousand, six hundred forty-eight".