3780548139233 has 2 divisors, whose sum is σ = 3780548139234. Its totient is φ = 3780548139232.

The previous prime is 3780548139229. The next prime is 3780548139253. The reversal of 3780548139233 is 3329318450873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3449593006864 + 330955132369 = 1857308^2 + 575287^2 .

It is a cyclic number.

It is not a de Polignac number, because 3780548139233 - 2² = 3780548139229 is a prime.

It is a super-4 number, since 4×3780548139233⁴ (a number of 51 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3780548139253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890274069616 + 1890274069617.

It is an arithmetic number, because the mean of its divisors is an integer number (1890274069617).

Almost surely, 2^{3780548139233} is an apocalyptic number.

It is an amenable number.

3780548139233 is a deficient number, since it is larger than the sum of its proper divisors (1).

3780548139233 is an equidigital number, since it uses as much as digits as its factorization.

3780548139233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 3780548139233 in words is "three trillion, seven hundred eighty billion, five hundred forty-eight million, one hundred thirty-nine thousand, two hundred thirty-three".