39788670723245 has 8 divisors (see below), whose sum is σ = 48529132816920. Its totient is φ = 31309117945920.

The previous prime is 39788670723229. The next prime is 39788670723287. The reversal of 39788670723245 is 54232707688793.

It can be written as a sum of positive squares in 4 ways, for example, as 1652636231401 + 38136034491844 = 1285549^2 + 6175438^2 .

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

It is not a de Polignac number, because 39788670723245 - 2⁴ = 39788670723229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65227328750 + ... + 65227329359.

It is an arithmetic number, because the mean of its divisors is an integer number (6066141602115).

Almost surely, 2^{39788670723245} is an apocalyptic number.

It is an amenable number.

39788670723245 is a deficient number, since it is larger than the sum of its proper divisors (8740462093675).

39788670723245 is a wasteful number, since it uses less digits than its factorization.

39788670723245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130454658175.

The product of its (nonzero) digits is 853493760, while the sum is 71.

The spelling of 39788670723245 in words is "thirty-nine trillion, seven hundred eighty-eight billion, six hundred seventy million, seven hundred twenty-three thousand, two hundred forty-five".