3355245937681 has 4 divisors (see below), whose sum is σ = 3660268295664. Its totient is φ = 3050223579700.

The previous prime is 3355245937679. The next prime is 3355245937699. The reversal of 3355245937681 is 1867395425533.

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.

It is not a de Polignac number, because 3355245937681 - 2¹ = 3355245937679 is a prime.

It is a super-2 number, since 2×3355245937681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3355245937781) 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, 152511178975 + ... + 152511178996.

It is an arithmetic number, because the mean of its divisors is an integer number (915067073916).

Almost surely, 2^{3355245937681} is an apocalyptic number.

It is an amenable number.

3355245937681 is a deficient number, since it is larger than the sum of its proper divisors (305022357983).

3355245937681 is a wasteful number, since it uses less digits than its factorization.

3355245937681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305022357982.

The product of its digits is 81648000, while the sum is 61.

The spelling of 3355245937681 in words is "three trillion, three hundred fifty-five billion, two hundred forty-five million, nine hundred thirty-seven thousand, six hundred eighty-one".