2454640464541 has 4 divisors (see below), whose sum is σ = 2463765522300. Its totient is φ = 2445515406784.

The previous prime is 2454640464533. The next prime is 2454640464547. The reversal of 2454640464541 is 1454640464542.

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

It can be written as a sum of positive squares in 2 ways, for example, as 72646420900 + 2381994043641 = 269530^2 + 1543371^2 .

It is a cyclic number.

It is not a de Polignac number, because 2454640464541 - 2³ = 2454640464533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2454640464547) 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, 4562528476 + ... + 4562529013.

It is an arithmetic number, because the mean of its divisors is an integer number (615941380575).

Almost surely, 2^{2454640464541} is an apocalyptic number.

It is an amenable number.

2454640464541 is a deficient number, since it is larger than the sum of its proper divisors (9125057759).

2454640464541 is an equidigital number, since it uses as much as digits as its factorization.

2454640464541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125057758.

The product of its (nonzero) digits is 7372800, while the sum is 49.

Subtracting from 2454640464541 its reverse (1454640464542), we obtain a palindrome (999999999999).

The spelling of 2454640464541 in words is "two trillion, four hundred fifty-four billion, six hundred forty million, four hundred sixty-four thousand, five hundred forty-one".