3745662497 has 2 divisors, whose sum is σ = 3745662498. Its totient is φ = 3745662496.

The previous prime is 3745662463. The next prime is 3745662523. The reversal of 3745662497 is 7942665473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2340237376 + 1405425121 = 48376^2 + 37489^2 .

It is an emirp because it is prime and its reverse (7942665473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3745662497 - 2¹⁸ = 3745400353 is a prime.

It is not a weakly prime, because it can be changed into another prime (3745662797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1872831248 + 1872831249.

It is an arithmetic number, because the mean of its divisors is an integer number (1872831249).

Almost surely, 2^3745662497 is an apocalyptic number.

It is an amenable number.

3745662497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3745662497 is an equidigital number, since it uses as much as digits as its factorization.

3745662497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 53.

The square root of 3745662497 is about 61201.8177589522. The cubic root of 3745662497 is about 1553.0170160864.

The spelling of 3745662497 in words is "three billion, seven hundred forty-five million, six hundred sixty-two thousand, four hundred ninety-seven".