5195005921 has 6 divisors (see below), whose sum is σ = 6043170210. Its totient is φ = 4452862176.

The previous prime is 5195005903. The next prime is 5195005931. The reversal of 5195005921 is 1295005915.

It can be written as a sum of positive squares in only one way, i.e., 4256257600 + 938748321 = 65240^2 + 30639^2 .

It is not a de Polignac number, because 5195005921 - 2¹⁵ = 5194973153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5195005931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53010216 + ... + 53010313.

It is an arithmetic number, because the mean of its divisors is an integer number (1007195035).

Almost surely, 2^5195005921 is an apocalyptic number.

It is an amenable number.

5195005921 is a deficient number, since it is larger than the sum of its proper divisors (848164289).

5195005921 is a wasteful number, since it uses less digits than its factorization.

5195005921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106020543 (or 106020536 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 37.

The square root of 5195005921 is about 72076.3894836582. The cubic root of 5195005921 is about 1731.9234091200.

The spelling of 5195005921 in words is "five billion, one hundred ninety-five million, five thousand, nine hundred twenty-one".