3640252487 has 2 divisors, whose sum is σ = 3640252488. Its totient is φ = 3640252486.

The previous prime is 3640252459. The next prime is 3640252501. The reversal of 3640252487 is 7842520463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3640252487 - 2⁶ = 3640252423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3640252417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820126243 + 1820126244.

It is an arithmetic number, because the mean of its divisors is an integer number (1820126244).

Almost surely, 2^3640252487 is an apocalyptic number.

3640252487 is a deficient number, since it is larger than the sum of its proper divisors (1).

3640252487 is an equidigital number, since it uses as much as digits as its factorization.

3640252487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 41.

The square root of 3640252487 is about 60334.5049453462. The cubic root of 3640252487 is about 1538.3099026150.

The spelling of 3640252487 in words is "three billion, six hundred forty million, two hundred fifty-two thousand, four hundred eighty-seven".