63374265541 has 4 divisors (see below), whose sum is σ = 67102163532. Its totient is φ = 59646367552.

The previous prime is 63374265457. The next prime is 63374265571. The reversal of 63374265541 is 14556247336.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54226108225 + 9148157316 = 232865^2 + 95646^2 .

It is a de Polignac number, because none of the positive numbers 2^k-63374265541 is a prime.

It is a super-2 number, since 2×63374265541² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63374265491 and 63374265500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63374265571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1863948970 + ... + 1863949003.

It is an arithmetic number, because the mean of its divisors is an integer number (16775540883).

Almost surely, 2^63374265541 is an apocalyptic number.

It is an amenable number.

63374265541 is a deficient number, since it is larger than the sum of its proper divisors (3727897991).

63374265541 is a wasteful number, since it uses less digits than its factorization.

63374265541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727897990.

The product of its digits is 1814400, while the sum is 46.

The spelling of 63374265541 in words is "sixty-three billion, three hundred seventy-four million, two hundred sixty-five thousand, five hundred forty-one".