1471618493 has 2 divisors, whose sum is σ = 1471618494. Its totient is φ = 1471618492.

The previous prime is 1471618487. The next prime is 1471618507. The reversal of 1471618493 is 3948161741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1356227929 + 115390564 = 36827^2 + 10742^2 .

It is a cyclic number.

It is not a de Polignac number, because 1471618493 - 2¹⁸ = 1471356349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1471618403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735809246 + 735809247.

It is an arithmetic number, because the mean of its divisors is an integer number (735809247).

Almost surely, 2^1471618493 is an apocalyptic number.

It is an amenable number.

1471618493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1471618493 is an equidigital number, since it uses as much as digits as its factorization.

1471618493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 44.

The square root of 1471618493 is about 38361.6800075283. The cubic root of 1471618493 is about 1137.4485085253.

The spelling of 1471618493 in words is "one billion, four hundred seventy-one million, six hundred eighteen thousand, four hundred ninety-three".