3474145238787 has 16 divisors (see below), whose sum is σ = 5147791886880. Its totient is φ = 2315687302656.

The previous prime is 3474145238699. The next prime is 3474145238797. The reversal of 3474145238787 is 7878325414743.

3474145238787 is a `hidden beast` number, since 3 + 4 + 74 + 1 + 452 + 38 + 7 + 87 = 666.

It is not a de Polignac number, because 3474145238787 - 2²⁴ = 3474128461571 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3474145238797) 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, 11220078 + ... + 11525555.

It is an arithmetic number, because the mean of its divisors is an integer number (321736992930).

Almost surely, 2^{3474145238787} is an apocalyptic number.

3474145238787 is a deficient number, since it is larger than the sum of its proper divisors (1673646648093).

3474145238787 is a wasteful number, since it uses less digits than its factorization.

3474145238787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22751299 (or 22751293 counting only the distinct ones).

The product of its digits is 126443520, while the sum is 63.

The spelling of 3474145238787 in words is "three trillion, four hundred seventy-four billion, one hundred forty-five million, two hundred thirty-eight thousand, seven hundred eighty-seven".