46540415521 has 4 divisors (see below), whose sum is σ = 48563911872. Its totient is φ = 44516919172.

The previous prime is 46540415503. The next prime is 46540415533. The reversal of 46540415521 is 12551404564.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46540415521 - 2³¹ = 44392931873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46540415821) 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, 1011748141 + ... + 1011748186.

It is an arithmetic number, because the mean of its divisors is an integer number (12140977968).

Almost surely, 2^46540415521 is an apocalyptic number.

It is an amenable number.

46540415521 is a deficient number, since it is larger than the sum of its proper divisors (2023496351).

46540415521 is a wasteful number, since it uses less digits than its factorization.

46540415521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023496350.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 46540415521 in words is "forty-six billion, five hundred forty million, four hundred fifteen thousand, five hundred twenty-one".