3651679459 has 2 divisors, whose sum is σ = 3651679460. Its totient is φ = 3651679458.

The previous prime is 3651679399. The next prime is 3651679513. The reversal of 3651679459 is 9549761563.

3651679459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (9549761563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3651679459 - 2¹³ = 3651671267 is a prime.

It is not a weakly prime, because it can be changed into another prime (3651679859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825839729 + 1825839730.

It is an arithmetic number, because the mean of its divisors is an integer number (1825839730).

Almost surely, 2^3651679459 is an apocalyptic number.

3651679459 is a deficient number, since it is larger than the sum of its proper divisors (1).

3651679459 is an equidigital number, since it uses as much as digits as its factorization.

3651679459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6123600, while the sum is 55.

The square root of 3651679459 is about 60429.1275710646. The cubic root of 3651679459 is about 1539.9178371581.

The spelling of 3651679459 in words is "three billion, six hundred fifty-one million, six hundred seventy-nine thousand, four hundred fifty-nine".