4635121515643 has 2 divisors, whose sum is σ = 4635121515644. Its totient is φ = 4635121515642.

The previous prime is 4635121515623. The next prime is 4635121515679. The reversal of 4635121515643 is 3465151215364.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4635121515643 - 2⁵ = 4635121515611 is a prime.

It is a super-2 number, since 2×4635121515643² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4635121515593 and 4635121515602.

It is not a weakly prime, because it can be changed into another prime (4635121515623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2317560757821 + 2317560757822.

It is an arithmetic number, because the mean of its divisors is an integer number (2317560757822).

Almost surely, 2^{4635121515643} is an apocalyptic number.

4635121515643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4635121515643 is an equidigital number, since it uses as much as digits as its factorization.

4635121515643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 46.

The spelling of 4635121515643 in words is "four trillion, six hundred thirty-five billion, one hundred twenty-one million, five hundred fifteen thousand, six hundred forty-three".