46438406401013 has 6 divisors (see below), whose sum is σ = 51043868192982. Its totient is φ = 42216733091720.

The previous prime is 46438406400949. The next prime is 46438406401027. The reversal of 46438406401013 is 31010460483464.

It can be written as a sum of positive squares in only one way, i.e., 42297047089924 + 4141359311089 = 6503618^2 + 2035033^2 .

It is not a de Polignac number, because 46438406401013 - 2⁶ = 46438406400949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46438406401213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 191894241206 + ... + 191894241447.

It is an arithmetic number, because the mean of its divisors is an integer number (8507311365497).

Almost surely, 2^{46438406401013} is an apocalyptic number.

It is an amenable number.

46438406401013 is a deficient number, since it is larger than the sum of its proper divisors (4605461791969).

46438406401013 is a wasteful number, since it uses less digits than its factorization.

46438406401013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383788482675 (or 383788482664 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

Adding to 46438406401013 its reverse (31010460483464), we get a palindrome (77448866884477).

The spelling of 46438406401013 in words is "forty-six trillion, four hundred thirty-eight billion, four hundred six million, four hundred one thousand, thirteen".