3551427478457 has 8 divisors (see below), whose sum is σ = 3557457456000. Its totient is φ = 3545397838944.

The previous prime is 3551427478453. The next prime is 3551427478477. The reversal of 3551427478457 is 7548747241553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3551427478457 - 2² = 3551427478453 is a prime.

It is a super-2 number, since 2×3551427478457² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3551427478457.

It is not an unprimeable number, because it can be changed into a prime (3551427478453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29962133 + ... + 30080429.

It is an arithmetic number, because the mean of its divisors is an integer number (444682182000).

Almost surely, 2^{3551427478457} is an apocalyptic number.

It is an amenable number.

3551427478457 is a deficient number, since it is larger than the sum of its proper divisors (6029977543).

3551427478457 is a wasteful number, since it uses less digits than its factorization.

3551427478457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169015.

The product of its digits is 131712000, while the sum is 62.

The spelling of 3551427478457 in words is "three trillion, five hundred fifty-one billion, four hundred twenty-seven million, four hundred seventy-eight thousand, four hundred fifty-seven".