46521249819 has 48 divisors (see below), whose sum is σ = 72384600960. Its totient is φ = 26464838400.

The previous prime is 46521249811. The next prime is 46521249847. The reversal of 46521249819 is 91894212564.

It is a happy number.

46521249819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 46521249819 - 2³ = 46521249811 is a prime.

It is a super-2 number, since 2×46521249819² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (46521249811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2328864 + ... + 2348754.

It is an arithmetic number, because the mean of its divisors is an integer number (1508012520).

Almost surely, 2^46521249819 is an apocalyptic number.

46521249819 is a deficient number, since it is larger than the sum of its proper divisors (25863351141).

46521249819 is a wasteful number, since it uses less digits than its factorization.

46521249819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20312 (or 20301 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The spelling of 46521249819 in words is "forty-six billion, five hundred twenty-one million, two hundred forty-nine thousand, eight hundred nineteen".