5512721923 has 2 divisors, whose sum is σ = 5512721924. Its totient is φ = 5512721922.

The previous prime is 5512721897. The next prime is 5512721933. The reversal of 5512721923 is 3291272155.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5512721923 - 2⁹ = 5512721411 is a prime.

It is not a weakly prime, because it can be changed into another prime (5512721933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2756360961 + 2756360962.

It is an arithmetic number, because the mean of its divisors is an integer number (2756360962).

Almost surely, 2^5512721923 is an apocalyptic number.

5512721923 is a deficient number, since it is larger than the sum of its proper divisors (1).

5512721923 is an equidigital number, since it uses as much as digits as its factorization.

5512721923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 5512721923 is about 74247.7065167672. The cubic root of 5512721923 is about 1766.5341141837.

The spelling of 5512721923 in words is "five billion, five hundred twelve million, seven hundred twenty-one thousand, nine hundred twenty-three".