1418195791 has 2 divisors, whose sum is σ = 1418195792. Its totient is φ = 1418195790.

The previous prime is 1418195749. The next prime is 1418195809. The reversal of 1418195791 is 1975918141.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1418195791 - 2¹⁵ = 1418163023 is a prime.

It is a super-2 number, since 2×1418195791² = 4022558603220231362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1418195731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709097895 + 709097896.

It is an arithmetic number, because the mean of its divisors is an integer number (709097896).

Almost surely, 2^1418195791 is an apocalyptic number.

1418195791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1418195791 is an equidigital number, since it uses as much as digits as its factorization.

1418195791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 46.

The square root of 1418195791 is about 37658.9403860491. The cubic root of 1418195791 is about 1123.5146266073.

The spelling of 1418195791 in words is "one billion, four hundred eighteen million, one hundred ninety-five thousand, seven hundred ninety-one".