5651452591 has 2 divisors, whose sum is σ = 5651452592. Its totient is φ = 5651452590.

The previous prime is 5651452577. The next prime is 5651452649. The reversal of 5651452591 is 1952541565.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5651452591 - 2¹³ = 5651444399 is a prime.

It is a super-2 number, since 2×5651452591² = 63877832776641226562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5651452531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2825726295 + 2825726296.

It is an arithmetic number, because the mean of its divisors is an integer number (2825726296).

Almost surely, 2^5651452591 is an apocalyptic number.

5651452591 is a deficient number, since it is larger than the sum of its proper divisors (1).

5651452591 is an equidigital number, since it uses as much as digits as its factorization.

5651452591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270000, while the sum is 43.

The square root of 5651452591 is about 75176.1437624996. The cubic root of 5651452591 is about 1781.2301170638.

The spelling of 5651452591 in words is "five billion, six hundred fifty-one million, four hundred fifty-two thousand, five hundred ninety-one".