418699428097 has 4 divisors (see below), whose sum is σ = 418701075156. Its totient is φ = 418697781040.

The previous prime is 418699428089. The next prime is 418699428107. The reversal of 418699428097 is 790824996814.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 331187589121 + 87511838976 = 575489^2 + 295824^2 .

It is a cyclic number.

It is not a de Polignac number, because 418699428097 - 2³ = 418699428089 is a prime.

It is a super-2 number, since 2×418699428097² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (418699428197) 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, 352354 + ... + 980587.

It is an arithmetic number, because the mean of its divisors is an integer number (104675268789).

Almost surely, 2^418699428097 is an apocalyptic number.

It is an amenable number.

418699428097 is a deficient number, since it is larger than the sum of its proper divisors (1647059).

418699428097 is a wasteful number, since it uses less digits than its factorization.

418699428097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647058.

The product of its (nonzero) digits is 62705664, while the sum is 67.

The spelling of 418699428097 in words is "four hundred eighteen billion, six hundred ninety-nine million, four hundred twenty-eight thousand, ninety-seven".