5621615634 has 32 divisors (see below), whose sum is σ = 11283503616. Its totient is φ = 1867173120.

The previous prime is 5621615617. The next prime is 5621615651. The reversal of 5621615634 is 4365161265.

It is an interprime number because it is at equal distance from previous prime (5621615617) and next prime (5621615651).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5621615592 and 5621615601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3586719 + ... + 3588285.

It is an arithmetic number, because the mean of its divisors is an integer number (352609488).

Almost surely, 2^5621615634 is an apocalyptic number.

5621615634 is an abundant number, since it is smaller than the sum of its proper divisors (5661887982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5621615634 is a wasteful number, since it uses less digits than its factorization.

5621615634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330.

The product of its digits is 129600, while the sum is 39.

The square root of 5621615634 is about 74977.4341652207. The cubic root of 5621615634 is about 1778.0899042800.

Adding to 5621615634 its reverse (4365161265), we get a palindrome (9986776899).

The spelling of 5621615634 in words is "five billion, six hundred twenty-one million, six hundred fifteen thousand, six hundred thirty-four".