2465154346561 has 3 divisors (see below), whose sum is σ = 2465155916643. Its totient is φ = 2465152776480.

The previous prime is 2465154346559. The next prime is 2465154346573. The reversal of 2465154346561 is 1656434515642.

The square root of 2465154346561 is 1570081.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 11670696961 + 2453483649600 = 108031^2 + 1566360^2 .

It is not a de Polignac number, because 2465154346561 - 2¹ = 2465154346559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2465154346499 and 2465154346508.

It is not an unprimeable number, because it can be changed into a prime (2465154346261) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 785041 + ... + 2355121.

It is an arithmetic number, because the mean of its divisors is an integer number (821718638881).

Almost surely, 2^{2465154346561} is an apocalyptic number.

2465154346561 is the 1570081-st square number.

2465154346561 is the 785041-st centered octagonal number.

It is an amenable number.

2465154346561 is a deficient number, since it is larger than the sum of its proper divisors (1570082).

2465154346561 is an frugal number, since it uses more digits than its factorization.

2465154346561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140162 (or 1570081 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 52.

The spelling of 2465154346561 in words is "two trillion, four hundred sixty-five billion, one hundred fifty-four million, three hundred forty-six thousand, five hundred sixty-one".