4937698221 has 4 divisors (see below), whose sum is σ = 6583597632. Its totient is φ = 3291798812.

The previous prime is 4937698217. The next prime is 4937698231. The reversal of 4937698221 is 1228967394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4937698221 - 2² = 4937698217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4937698231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822949701 + ... + 822949706.

It is an arithmetic number, because the mean of its divisors is an integer number (1645899408).

Almost surely, 2^4937698221 is an apocalyptic number.

It is an amenable number.

4937698221 is a deficient number, since it is larger than the sum of its proper divisors (1645899411).

4937698221 is a wasteful number, since it uses less digits than its factorization.

4937698221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645899410.

The product of its digits is 1306368, while the sum is 51.

The square root of 4937698221 is about 70268.7570759580. The cubic root of 4937698221 is about 1702.8439387844.

The spelling of 4937698221 in words is "four billion, nine hundred thirty-seven million, six hundred ninety-eight thousand, two hundred twenty-one".