45939159461 has 4 divisors (see below), whose sum is σ = 49472940972. Its totient is φ = 42405377952.

The previous prime is 45939159437. The next prime is 45939159527. The reversal of 45939159461 is 16495193954.

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 25341456100 + 20597703361 = 159190^2 + 143519^2 .

It is a cyclic number.

It is not a de Polignac number, because 45939159461 - 2¹⁰ = 45939158437 is a prime.

It is a super-2 number, since 2×45939159461² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45939159397 and 45939159406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45939159361) 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, 1766890736 + ... + 1766890761.

It is an arithmetic number, because the mean of its divisors is an integer number (12368235243).

Almost surely, 2^45939159461 is an apocalyptic number.

It is an amenable number.

45939159461 is a deficient number, since it is larger than the sum of its proper divisors (3533781511).

45939159461 is a wasteful number, since it uses less digits than its factorization.

45939159461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533781510.

The product of its digits is 5248800, while the sum is 56.

The spelling of 45939159461 in words is "forty-five billion, nine hundred thirty-nine million, one hundred fifty-nine thousand, four hundred sixty-one".