5991910901 has 2 divisors, whose sum is σ = 5991910902. Its totient is φ = 5991910900.

The previous prime is 5991910877. The next prime is 5991910921. The reversal of 5991910901 is 1090191995.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5685310801 + 306600100 = 75401^2 + 17510^2 .

It is a cyclic number.

It is not a de Polignac number, because 5991910901 - 2²² = 5987716597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5991910921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2995955450 + 2995955451.

It is an arithmetic number, because the mean of its divisors is an integer number (2995955451).

Almost surely, 2^5991910901 is an apocalyptic number.

It is an amenable number.

5991910901 is a deficient number, since it is larger than the sum of its proper divisors (1).

5991910901 is an equidigital number, since it uses as much as digits as its factorization.

5991910901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32805, while the sum is 44.

The square root of 5991910901 is about 77407.4344039382. The cubic root of 5991910901 is about 1816.3036217815.

The spelling of 5991910901 in words is "five billion, nine hundred ninety-one million, nine hundred ten thousand, nine hundred one".