4640487311 has 2 divisors, whose sum is σ = 4640487312. Its totient is φ = 4640487310.

The previous prime is 4640487251. The next prime is 4640487317. The reversal of 4640487311 is 1137840464.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4640487311 - 2¹⁰ = 4640486287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4640487317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320243655 + 2320243656.

It is an arithmetic number, because the mean of its divisors is an integer number (2320243656).

Almost surely, 2^4640487311 is an apocalyptic number.

4640487311 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640487311 is an equidigital number, since it uses as much as digits as its factorization.

4640487311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 4640487311 is about 68121.1223556982. The cubic root of 4640487311 is about 1667.9685711931.

The spelling of 4640487311 in words is "four billion, six hundred forty million, four hundred eighty-seven thousand, three hundred eleven".