45129648019 has 8 divisors (see below), whose sum is σ = 46105740288. Its totient is φ = 44154217800.

The previous prime is 45129648001. The next prime is 45129648023. The reversal of 45129648019 is 91084692154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45129648019 - 2⁵ = 45129647987 is a prime.

It is a super-2 number, since 2×45129648019² (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 (45129648059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26457 + ... + 301594.

It is an arithmetic number, because the mean of its divisors is an integer number (5763217536).

Almost surely, 2^45129648019 is an apocalyptic number.

45129648019 is a deficient number, since it is larger than the sum of its proper divisors (976092269).

45129648019 is a wasteful number, since it uses less digits than its factorization.

45129648019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331025.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 45129648019 in words is "forty-five billion, one hundred twenty-nine million, six hundred forty-eight thousand, nineteen".