7450440551 has 2 divisors, whose sum is σ = 7450440552. Its totient is φ = 7450440550.

The previous prime is 7450440541. The next prime is 7450440559. The reversal of 7450440551 is 1550440547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7450440551 - 2¹⁰ = 7450439527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7450440559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3725220275 + 3725220276.

It is an arithmetic number, because the mean of its divisors is an integer number (3725220276).

Almost surely, 2^7450440551 is an apocalyptic number.

7450440551 is a deficient number, since it is larger than the sum of its proper divisors (1).

7450440551 is an equidigital number, since it uses as much as digits as its factorization.

7450440551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56000, while the sum is 35.

The square root of 7450440551 is about 86315.9345138544. The cubic root of 7450440551 is about 1953.1127625238.

The spelling of 7450440551 in words is "seven billion, four hundred fifty million, four hundred forty thousand, five hundred fifty-one".