1551098473 has 2 divisors, whose sum is σ = 1551098474. Its totient is φ = 1551098472.

The previous prime is 1551098467. The next prime is 1551098489. The reversal of 1551098473 is 3748901551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1548579904 + 2518569 = 39352^2 + 1587^2 .

It is a cyclic number.

It is not a de Polignac number, because 1551098473 - 2¹⁷ = 1550967401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1551798473) 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, 775549236 + 775549237.

It is an arithmetic number, because the mean of its divisors is an integer number (775549237).

Almost surely, 2^1551098473 is an apocalyptic number.

It is an amenable number.

1551098473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1551098473 is an equidigital number, since it uses as much as digits as its factorization.

1551098473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 1551098473 is about 39383.9875203108. The cubic root of 1551098473 is about 1157.5678512628.

The spelling of 1551098473 in words is "one billion, five hundred fifty-one million, ninety-eight thousand, four hundred seventy-three".