45450621683 has 4 divisors (see below), whose sum is σ = 45852839688. Its totient is φ = 45048403680.

The previous prime is 45450621661. The next prime is 45450621707. The reversal of 45450621683 is 38612605454.

45450621683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 45450621683 - 2⁸ = 45450621427 is a prime.

It is a super-2 number, since 2×45450621683² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45450621283) 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, 201108833 + ... + 201109058.

It is an arithmetic number, because the mean of its divisors is an integer number (11463209922).

Almost surely, 2^45450621683 is an apocalyptic number.

45450621683 is a deficient number, since it is larger than the sum of its proper divisors (402218005).

45450621683 is a wasteful number, since it uses less digits than its factorization.

45450621683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402218004.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 45450621683 in words is "forty-five billion, four hundred fifty million, six hundred twenty-one thousand, six hundred eighty-three".