45969619 has 4 divisors (see below), whose sum is σ = 46947744. Its totient is φ = 44991496.

The previous prime is 45969613. The next prime is 45969641. The reversal of 45969619 is 91696954.

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 45969619 - 2⁵ = 45969587 is a prime.

It is a super-2 number, since 2×45969619² = 4226411742010322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45969613) 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, 488992 + ... + 489085.

It is an arithmetic number, because the mean of its divisors is an integer number (11736936).

Almost surely, 2^45969619 is an apocalyptic number.

45969619 is a deficient number, since it is larger than the sum of its proper divisors (978125).

45969619 is an equidigital number, since it uses as much as digits as its factorization.

45969619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978124.

The product of its digits is 524880, while the sum is 49.

The square root of 45969619 is about 6780.0898961592. The cubic root of 45969619 is about 358.2258881515.

The spelling of 45969619 in words is "forty-five million, nine hundred sixty-nine thousand, six hundred nineteen".