39473157061 has 4 divisors (see below), whose sum is σ = 42509553772. Its totient is φ = 36436760352.

The previous prime is 39473157041. The next prime is 39473157151. The reversal of 39473157061 is 16075137493.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8153006436 + 31320150625 = 90294^2 + 176975^2 .

It is a cyclic number.

It is not a de Polignac number, because 39473157061 - 2⁵ = 39473157029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39473157041) 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, 1518198336 + ... + 1518198361.

It is an arithmetic number, because the mean of its divisors is an integer number (10627388443).

Almost surely, 2^39473157061 is an apocalyptic number.

It is an amenable number.

39473157061 is a deficient number, since it is larger than the sum of its proper divisors (3036396711).

39473157061 is a wasteful number, since it uses less digits than its factorization.

39473157061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036396710.

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 39473157061 in words is "thirty-nine billion, four hundred seventy-three million, one hundred fifty-seven thousand, sixty-one".