3540487747 has 2 divisors, whose sum is σ = 3540487748. Its totient is φ = 3540487746.

The previous prime is 3540487733. The next prime is 3540487771. The reversal of 3540487747 is 7477840453.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3540487747 - 2²³ = 3532099139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3540487747.

It is not a weakly prime, because it can be changed into another prime (3540487777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770243873 + 1770243874.

It is an arithmetic number, because the mean of its divisors is an integer number (1770243874).

Almost surely, 2^3540487747 is an apocalyptic number.

3540487747 is a deficient number, since it is larger than the sum of its proper divisors (1).

3540487747 is an equidigital number, since it uses as much as digits as its factorization.

3540487747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2634240, while the sum is 49.

The square root of 3540487747 is about 59501.9978404087. The cubic root of 3540487747 is about 1524.1265620248.

The spelling of 3540487747 in words is "three billion, five hundred forty million, four hundred eighty-seven thousand, seven hundred forty-seven".