10345945739 has 4 divisors (see below), whose sum is σ = 10352895480. Its totient is φ = 10338996000.

The previous prime is 10345945669. The next prime is 10345945777. The reversal of 10345945739 is 93754954301.

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 10345945739 - 2⁸ = 10345945483 is a prime.

It is a super-2 number, since 2×10345945739² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10345945789) 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, 3472637 + ... + 3475614.

It is an arithmetic number, because the mean of its divisors is an integer number (2588223870).

Almost surely, 2^10345945739 is an apocalyptic number.

10345945739 is a deficient number, since it is larger than the sum of its proper divisors (6949741).

10345945739 is an equidigital number, since it uses as much as digits as its factorization.

10345945739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949740.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 10345945739 in words is "ten billion, three hundred forty-five million, nine hundred forty-five thousand, seven hundred thirty-nine".