7420551451 has 2 divisors, whose sum is σ = 7420551452. Its totient is φ = 7420551450.

The previous prime is 7420551443. The next prime is 7420551497. The reversal of 7420551451 is 1541550247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7420551451 - 2³ = 7420551443 is a prime.

It is not a weakly prime, because it can be changed into another prime (7420551751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710275725 + 3710275726.

It is an arithmetic number, because the mean of its divisors is an integer number (3710275726).

Almost surely, 2^7420551451 is an apocalyptic number.

7420551451 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420551451 is an equidigital number, since it uses as much as digits as its factorization.

7420551451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 7420551451 is about 86142.6227311428. The cubic root of 7420551451 is about 1950.4974799984.

The spelling of 7420551451 in words is "seven billion, four hundred twenty million, five hundred fifty-one thousand, four hundred fifty-one".