5340453991 has 2 divisors, whose sum is σ = 5340453992. Its totient is φ = 5340453990.

The previous prime is 5340453953. The next prime is 5340453997. The reversal of 5340453991 is 1993540435.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5340453991 - 2⁷ = 5340453863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5340453997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2670226995 + 2670226996.

It is an arithmetic number, because the mean of its divisors is an integer number (2670226996).

Almost surely, 2^5340453991 is an apocalyptic number.

5340453991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5340453991 is an equidigital number, since it uses as much as digits as its factorization.

5340453991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 5340453991 is about 73078.4098828101. The cubic root of 5340453991 is about 1747.9381421128.

The spelling of 5340453991 in words is "five billion, three hundred forty million, four hundred fifty-three thousand, nine hundred ninety-one".