3774648464261 has 2 divisors, whose sum is σ = 3774648464262. Its totient is φ = 3774648464260.

The previous prime is 3774648464087. The next prime is 3774648464273. The reversal of 3774648464261 is 1624648464773.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2742687083236 + 1031961381025 = 1656106^2 + 1015855^2 .

It is a cyclic number.

It is not a de Polignac number, because 3774648464261 - 2²⁶ = 3774581355397 is a prime.

It is a super-2 number, since 2×3774648464261² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3774648464194 and 3774648464203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3774648364261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887324232130 + 1887324232131.

It is an arithmetic number, because the mean of its divisors is an integer number (1887324232131).

Almost surely, 2^{3774648464261} is an apocalyptic number.

It is an amenable number.

3774648464261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3774648464261 is an equidigital number, since it uses as much as digits as its factorization.

3774648464261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 130056192, while the sum is 62.

The spelling of 3774648464261 in words is "three trillion, seven hundred seventy-four billion, six hundred forty-eight million, four hundred sixty-four thousand, two hundred sixty-one".