39706350049 has 4 divisors (see below), whose sum is σ = 39706867120. Its totient is φ = 39705832980.

The previous prime is 39706350037. The next prime is 39706350053. The reversal of 39706350049 is 94005360793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39706350049 - 2⁵ = 39706350017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39706349990 and 39706350008.

It is not an unprimeable number, because it can be changed into a prime (39706350059) 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, 117819 + ... + 305440.

It is an arithmetic number, because the mean of its divisors is an integer number (9926716780).

Almost surely, 2^39706350049 is an apocalyptic number.

It is an amenable number.

39706350049 is a deficient number, since it is larger than the sum of its proper divisors (517071).

39706350049 is an equidigital number, since it uses as much as digits as its factorization.

39706350049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517070.

The product of its (nonzero) digits is 612360, while the sum is 46.

The spelling of 39706350049 in words is "thirty-nine billion, seven hundred six million, three hundred fifty thousand, forty-nine".