3774440773997 has 2 divisors, whose sum is σ = 3774440773998. Its totient is φ = 3774440773996.

The previous prime is 3774440773991. The next prime is 3774440774129. The reversal of 3774440773997 is 7993770444773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3350312908996 + 424127865001 = 1830386^2 + 651251^2 .

It is a cyclic number.

It is not a de Polignac number, because 3774440773997 - 2¹⁶ = 3774440708461 is a prime.

It is a super-2 number, since 2×3774440773997² (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 3774440773997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3774440773991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887220386998 + 1887220386999.

It is an arithmetic number, because the mean of its divisors is an integer number (1887220386999).

Almost surely, 2^{3774440773997} is an apocalyptic number.

It is an amenable number.

3774440773997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3774440773997 is an equidigital number, since it uses as much as digits as its factorization.

3774440773997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784147392, while the sum is 71.

The spelling of 3774440773997 in words is "three trillion, seven hundred seventy-four billion, four hundred forty million, seven hundred seventy-three thousand, nine hundred ninety-seven".