1487952493 has 2 divisors, whose sum is σ = 1487952494. Its totient is φ = 1487952492.

The previous prime is 1487952481. The next prime is 1487952517. The reversal of 1487952493 is 3942597841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 880724329 + 607228164 = 29677^2 + 24642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1487952493 - 2¹³ = 1487944301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1487952493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1487652493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743976246 + 743976247.

It is an arithmetic number, because the mean of its divisors is an integer number (743976247).

Almost surely, 2^1487952493 is an apocalyptic number.

It is an amenable number.

1487952493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487952493 is an equidigital number, since it uses as much as digits as its factorization.

1487952493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The square root of 1487952493 is about 38573.9872582548. The cubic root of 1487952493 is about 1141.6413447868.

The spelling of 1487952493 in words is "one billion, four hundred eighty-seven million, nine hundred fifty-two thousand, four hundred ninety-three".