48213780391 has 16 divisors (see below), whose sum is σ = 58038024960. Its totient is φ = 39126412800.

The previous prime is 48213780389. The next prime is 48213780403. The reversal of 48213780391 is 19308731284.

It is a cyclic number.

It is not a de Polignac number, because 48213780391 - 2¹ = 48213780389 is a prime.

It is a super-2 number, since 2×48213780391² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48213780991) 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, 99720 + ... + 326146.

It is an arithmetic number, because the mean of its divisors is an integer number (3627376560).

Almost surely, 2^48213780391 is an apocalyptic number.

48213780391 is a deficient number, since it is larger than the sum of its proper divisors (9824244569).

48213780391 is a wasteful number, since it uses less digits than its factorization.

48213780391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228054.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 48213780391 in words is "forty-eight billion, two hundred thirteen million, seven hundred eighty thousand, three hundred ninety-one".