1418863997 has 4 divisors (see below), whose sum is σ = 1480553760. Its totient is φ = 1357174236.

The previous prime is 1418863987. The next prime is 1418864021. The reversal of 1418863997 is 7993688141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7993688141 = 42281 ⋅189061.

It is a cyclic number.

It is not a de Polignac number, because 1418863997 - 2¹⁸ = 1418601853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1418863907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30844847 + ... + 30844892.

It is an arithmetic number, because the mean of its divisors is an integer number (370138440).

Almost surely, 2^1418863997 is an apocalyptic number.

It is an amenable number.

1418863997 is a deficient number, since it is larger than the sum of its proper divisors (61689763).

1418863997 is an equidigital number, since it uses as much as digits as its factorization.

1418863997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61689762.

The product of its digits is 2612736, while the sum is 56.

The square root of 1418863997 is about 37667.8111522292. The cubic root of 1418863997 is about 1123.6910529612.

The spelling of 1418863997 in words is "one billion, four hundred eighteen million, eight hundred sixty-three thousand, nine hundred ninety-seven".