10399340545 has 16 divisors (see below), whose sum is σ = 13617035712. Its totient is φ = 7561293760.

The previous prime is 10399340537. The next prime is 10399340561. The reversal of 10399340545 is 54504399301.

It is a happy number.

It is not a de Polignac number, because 10399340545 - 2³ = 10399340537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226074 + ... + 268156.

It is an arithmetic number, because the mean of its divisors is an integer number (851064732).

Almost surely, 2^10399340545 is an apocalyptic number.

It is an amenable number.

10399340545 is a deficient number, since it is larger than the sum of its proper divisors (3217695167).

10399340545 is a wasteful number, since it uses less digits than its factorization.

10399340545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46592.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 10399340545 in words is "ten billion, three hundred ninety-nine million, three hundred forty thousand, five hundred forty-five".