39870148958641 has 4 divisors (see below), whose sum is σ = 40156984562800. Its totient is φ = 39583313354484.

The previous prime is 39870148958617. The next prime is 39870148958701. The reversal of 39870148958641 is 14685984107893.

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 39870148958641 - 2⁵ = 39870148958609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39870148958611) 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, 143417801871 + ... + 143417802148.

It is an arithmetic number, because the mean of its divisors is an integer number (10039246140700).

Almost surely, 2^{39870148958641} is an apocalyptic number.

It is an amenable number.

39870148958641 is a deficient number, since it is larger than the sum of its proper divisors (286835604159).

39870148958641 is a wasteful number, since it uses less digits than its factorization.

39870148958641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286835604158.

The product of its (nonzero) digits is 418037760, while the sum is 73.

The spelling of 39870148958641 in words is "thirty-nine trillion, eight hundred seventy billion, one hundred forty-eight million, nine hundred fifty-eight thousand, six hundred forty-one".