3518421080697 has 12 divisors (see below), whose sum is σ = 5082189665124. Its totient is φ = 2345602108320.

The previous prime is 3518421080651. The next prime is 3518421080711. The reversal of 3518421080697 is 7960801248153.

3518421080697 is a `hidden beast` number, since 3 + 51 + 8 + 421 + 0 + 80 + 6 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2996485633296 + 521935447401 = 1731036^2 + 722451^2 .

It is not a de Polignac number, because 3518421080697 - 2⁶ = 3518421080633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3518421080297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1102723 + ... + 2872775.

It is an arithmetic number, because the mean of its divisors is an integer number (423515805427).

It is a 1-persistent number, because it is pandigital, but 2⋅3518421080697 = 7036842161394 is not.

Almost surely, 2^{3518421080697} is an apocalyptic number.

It is an amenable number.

3518421080697 is a deficient number, since it is larger than the sum of its proper divisors (1563768584427).

3518421080697 is a wasteful number, since it uses less digits than its factorization.

3518421080697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990920 (or 1990917 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 3518421080697 in words is "three trillion, five hundred eighteen billion, four hundred twenty-one million, eighty thousand, six hundred ninety-seven".