3780312685939 has 4 divisors (see below), whose sum is σ = 4002684020424. Its totient is φ = 3557941351456.

The previous prime is 3780312685913. The next prime is 3780312685979. The reversal of 3780312685939 is 9395862130873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3780312685939 - 2²¹ = 3780310588787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3780312685979) 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, 111185667217 + ... + 111185667250.

It is an arithmetic number, because the mean of its divisors is an integer number (1000671005106).

Almost surely, 2^{3780312685939} is an apocalyptic number.

3780312685939 is a deficient number, since it is larger than the sum of its proper divisors (222371334485).

3780312685939 is a wasteful number, since it uses less digits than its factorization.

3780312685939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222371334484.

The product of its (nonzero) digits is 58786560, while the sum is 64.

The spelling of 3780312685939 in words is "three trillion, seven hundred eighty billion, three hundred twelve million, six hundred eighty-five thousand, nine hundred thirty-nine".