418318471749 has 16 divisors (see below), whose sum is σ = 587147079680. Its totient is φ = 264186094320.

The previous prime is 418318471729. The next prime is 418318471757. The reversal of 418318471749 is 947174813814.

It is a happy number.

It is not a de Polignac number, because 418318471749 - 2¹⁶ = 418318406213 is a prime.

It is a super-2 number, since 2×418318471749² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418318471729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847134 + ... + 1246704.

It is an arithmetic number, because the mean of its divisors is an integer number (36696692480).

Almost surely, 2^418318471749 is an apocalyptic number.

It is an amenable number.

418318471749 is a deficient number, since it is larger than the sum of its proper divisors (168828607931).

418318471749 is a wasteful number, since it uses less digits than its factorization.

418318471749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417960.

The product of its digits is 5419008, while the sum is 57.

The spelling of 418318471749 in words is "four hundred eighteen billion, three hundred eighteen million, four hundred seventy-one thousand, seven hundred forty-nine".