3713493781 has 2 divisors, whose sum is σ = 3713493782. Its totient is φ = 3713493780.

The previous prime is 3713493769. The next prime is 3713493793. The reversal of 3713493781 is 1873943173.

It is a balanced prime because it is at equal distance from previous prime (3713493769) and next prime (3713493793).

It can be written as a sum of positive squares in only one way, i.e., 3482180100 + 231313681 = 59010^2 + 15209^2 .

It is a cyclic number.

It is not a de Polignac number, because 3713493781 - 2¹⁵ = 3713461013 is a prime.

It is a super-2 number, since 2×3713493781² = 27580072123051351922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3713493701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1856746890 + 1856746891.

It is an arithmetic number, because the mean of its divisors is an integer number (1856746891).

Almost surely, 2^3713493781 is an apocalyptic number.

3713493781 is the 27253-rd centered decagonal number.

It is an amenable number.

3713493781 is a deficient number, since it is larger than the sum of its proper divisors (1).

3713493781 is an equidigital number, since it uses as much as digits as its factorization.

3713493781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 3713493781 is about 60938.4425547618. The cubic root of 3713493781 is about 1548.5583238705.

The spelling of 3713493781 in words is "three billion, seven hundred thirteen million, four hundred ninety-three thousand, seven hundred eighty-one".