3781337707445 has 16 divisors (see below), whose sum is σ = 4612077546240. Its totient is φ = 2975423803200.

The previous prime is 3781337707393. The next prime is 3781337707451. The reversal of 3781337707445 is 5447077331873.

It is not a de Polignac number, because 3781337707445 - 2²⁴ = 3781320930229 is a prime.

It is a Curzon number.

It is a congruent number.

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, 26528276 + ... + 26670434.

It is an arithmetic number, because the mean of its divisors is an integer number (288254846640).

Almost surely, 2^{3781337707445} is an apocalyptic number.

It is an amenable number.

3781337707445 is a deficient number, since it is larger than the sum of its proper divisors (830739838795).

3781337707445 is a wasteful number, since it uses less digits than its factorization.

3781337707445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229436.

The product of its (nonzero) digits is 41489280, while the sum is 59.

The spelling of 3781337707445 in words is "three trillion, seven hundred eighty-one billion, three hundred thirty-seven million, seven hundred seven thousand, four hundred forty-five".