1481618767 has 2 divisors, whose sum is σ = 1481618768. Its totient is φ = 1481618766.

The previous prime is 1481618753. The next prime is 1481618773. The reversal of 1481618767 is 7678161841.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1481618767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1481618767.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1481618717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740809383 + 740809384.

It is an arithmetic number, because the mean of its divisors is an integer number (740809384).

Almost surely, 2^1481618767 is an apocalyptic number.

1481618767 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481618767 is an equidigital number, since it uses as much as digits as its factorization.

1481618767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 49.

The square root of 1481618767 is about 38491.8012958604. The cubic root of 1481618767 is about 1140.0191766037.

The spelling of 1481618767 in words is "one billion, four hundred eighty-one million, six hundred eighteen thousand, seven hundred sixty-seven".