3813770471545 has 16 divisors (see below), whose sum is σ = 4734448128000. Its totient is φ = 2945738996928.

The previous prime is 3813770471519. The next prime is 3813770471561. The reversal of 3813770471545 is 5451740773183.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3813770471545 - 2⁵ = 3813770471513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6299236 + ... + 6878074.

It is an arithmetic number, because the mean of its divisors is an integer number (295903008000).

Almost surely, 2^{3813770471545} is an apocalyptic number.

It is an amenable number.

3813770471545 is a deficient number, since it is larger than the sum of its proper divisors (920677656455).

3813770471545 is a wasteful number, since it uses less digits than its factorization.

3813770471545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624312.

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 3813770471545 in words is "three trillion, eight hundred thirteen billion, seven hundred seventy million, four hundred seventy-one thousand, five hundred forty-five".