5943142921 has 2 divisors, whose sum is σ = 5943142922. Its totient is φ = 5943142920.

The previous prime is 5943142913. The next prime is 5943142949. The reversal of 5943142921 is 1292413495.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5396518521 + 546624400 = 73461^2 + 23380^2 .

It is a cyclic number.

It is not a de Polignac number, because 5943142921 - 2³ = 5943142913 is a prime.

It is not a weakly prime, because it can be changed into another prime (5943142721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2971571460 + 2971571461.

It is an arithmetic number, because the mean of its divisors is an integer number (2971571461).

Almost surely, 2^5943142921 is an apocalyptic number.

It is an amenable number.

5943142921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5943142921 is an equidigital number, since it uses as much as digits as its factorization.

5943142921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 5943142921 is about 77091.7824479367. The cubic root of 5943142921 is about 1811.3625791859.

The spelling of 5943142921 in words is "five billion, nine hundred forty-three million, one hundred forty-two thousand, nine hundred twenty-one".