5423937261 has 20 divisors (see below), whose sum is σ = 7684260672. Its totient is φ = 3403097536.

The previous prime is 5423937223. The next prime is 5423937283. The reversal of 5423937261 is 1627393245.

It is a de Polignac number, because none of the positive numbers 2^k-5423937261 is a prime.

It is a super-2 number, since 2×5423937261² = 58838190822528364242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5423936261) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 239740 + ... + 261386.

Almost surely, 2^5423937261 is an apocalyptic number.

5423937261 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5423937261 is a deficient number, since it is larger than the sum of its proper divisors (2260323411).

5423937261 is an frugal number, since it uses more digits than its factorization.

5423937261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21718 (or 21667 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 5423937261 is about 73647.3846175137. The cubic root of 5423937261 is about 1756.9991543160. Note that the first 3 decimals are identical.

The spelling of 5423937261 in words is "five billion, four hundred twenty-three million, nine hundred thirty-seven thousand, two hundred sixty-one".