3758449051381 has 2 divisors, whose sum is σ = 3758449051382. Its totient is φ = 3758449051380.

The previous prime is 3758449051363. The next prime is 3758449051387. The reversal of 3758449051381 is 1831509448573.

3758449051381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3111815953156 + 646633098225 = 1764034^2 + 804135^2 .

It is a cyclic number.

It is not a de Polignac number, because 3758449051381 - 2¹⁷ = 3758448920309 is a prime.

It is a super-2 number, since 2×3758449051381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3758449051387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1879224525690 + 1879224525691.

It is an arithmetic number, because the mean of its divisors is an integer number (1879224525691).

Almost surely, 2^{3758449051381} is an apocalyptic number.

It is an amenable number.

3758449051381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3758449051381 is an equidigital number, since it uses as much as digits as its factorization.

3758449051381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 3758449051381 in words is "three trillion, seven hundred fifty-eight billion, four hundred forty-nine million, fifty-one thousand, three hundred eighty-one".