2454573791261 has 2 divisors, whose sum is σ = 2454573791262. Its totient is φ = 2454573791260.

The previous prime is 2454573791209. The next prime is 2454573791543. The reversal of 2454573791261 is 1621973754542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1312227525625 + 1142346265636 = 1145525^2 + 1068806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2454573791261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2454573791197 and 2454573791206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2454573191261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227286895630 + 1227286895631.

It is an arithmetic number, because the mean of its divisors is an integer number (1227286895631).

Almost surely, 2^{2454573791261} is an apocalyptic number.

It is an amenable number.

2454573791261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2454573791261 is an equidigital number, since it uses as much as digits as its factorization.

2454573791261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12700800, while the sum is 56.

The spelling of 2454573791261 in words is "two trillion, four hundred fifty-four billion, five hundred seventy-three million, seven hundred ninety-one thousand, two hundred sixty-one".