1492641487 has 2 divisors, whose sum is σ = 1492641488. Its totient is φ = 1492641486.

The previous prime is 1492641467. The next prime is 1492641533. The reversal of 1492641487 is 7841462941.

It is an a-pointer prime, because the next prime (1492641533) can be obtained adding 1492641487 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1492641487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1492641467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746320743 + 746320744.

It is an arithmetic number, because the mean of its divisors is an integer number (746320744).

Almost surely, 2^1492641487 is an apocalyptic number.

1492641487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492641487 is an equidigital number, since it uses as much as digits as its factorization.

1492641487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 46.

The square root of 1492641487 is about 38634.7186737525. The cubic root of 1492641487 is about 1142.8393077879.

The spelling of 1492641487 in words is "one billion, four hundred ninety-two million, six hundred forty-one thousand, four hundred eighty-seven".