5707511621 has 24 divisors (see below), whose sum is σ = 6721219296. Its totient is φ = 4832187360.

The previous prime is 5707511611. The next prime is 5707511629. The reversal of 5707511621 is 1261157075.

It is not a de Polignac number, because 5707511621 - 2¹⁴ = 5707495237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5707511629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1455155 + ... + 1459071.

It is an arithmetic number, because the mean of its divisors is an integer number (280050804).

Almost surely, 2^5707511621 is an apocalyptic number.

It is an amenable number.

5707511621 is a deficient number, since it is larger than the sum of its proper divisors (1013707675).

5707511621 is a wasteful number, since it uses less digits than its factorization.

5707511621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289 (or 4282 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 35.

The square root of 5707511621 is about 75548.0748993646. The cubic root of 5707511621 is about 1787.1003291545.

Adding to 5707511621 its reverse (1261157075), we get a palindrome (6968668696).

The spelling of 5707511621 in words is "five billion, seven hundred seven million, five hundred eleven thousand, six hundred twenty-one".