3780548139253 has 2 divisors, whose sum is σ = 3780548139254. Its totient is φ = 3780548139252.

The previous prime is 3780548139233. The next prime is 3780548139259. The reversal of 3780548139253 is 3529318450873.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3774246478564 + 6301660689 = 1942742^2 + 79383^2 .

It is a cyclic number.

It is not a de Polignac number, because 3780548139253 - 2³³ = 3771958204661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3780548139259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890274069626 + 1890274069627.

It is an arithmetic number, because the mean of its divisors is an integer number (1890274069627).

Almost surely, 2^{3780548139253} is an apocalyptic number.

It is an amenable number.

3780548139253 is a deficient number, since it is larger than the sum of its proper divisors (1).

3780548139253 is an equidigital number, since it uses as much as digits as its factorization.

3780548139253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 3780548139253 in words is "three trillion, seven hundred eighty billion, five hundred forty-eight million, one hundred thirty-nine thousand, two hundred fifty-three".