3779556961537 has 16 divisors (see below), whose sum is σ = 4323336181632. Its totient is φ = 3236739431040.

The previous prime is 3779556961483. The next prime is 3779556961541. The reversal of 3779556961537 is 7351696559773.

It is a cyclic number.

It is not a de Polignac number, because 3779556961537 - 2¹⁵ = 3779556928769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3779556961537.

It is not an unprimeable number, because it can be changed into a prime (3779556961567) 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, 45629163 + ... + 45711919.

It is an arithmetic number, because the mean of its divisors is an integer number (270208511352).

Almost surely, 2^{3779556961537} is an apocalyptic number.

It is an amenable number.

3779556961537 is a deficient number, since it is larger than the sum of its proper divisors (543779220095).

3779556961537 is a wasteful number, since it uses less digits than its factorization.

3779556961537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88488.

The product of its digits is 1125211500, while the sum is 73.

The spelling of 3779556961537 in words is "three trillion, seven hundred seventy-nine billion, five hundred fifty-six million, nine hundred sixty-one thousand, five hundred thirty-seven".