387146473613 has 12 divisors (see below), whose sum is σ = 400078615644. Its totient is φ = 374619772800.

The previous prime is 387146473589. The next prime is 387146473633. The reversal of 387146473613 is 316374641783.

It can be written as a sum of positive squares in 2 ways, for example, as 10319918569 + 376826555044 = 101587^2 + 613862^2 .

It is not a de Polignac number, because 387146473613 - 2²² = 387142279309 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 (387146473633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15729845 + ... + 15754437.

It is an arithmetic number, because the mean of its divisors is an integer number (33339884637).

Almost surely, 2^387146473613 is an apocalyptic number.

It is an amenable number.

387146473613 is a deficient number, since it is larger than the sum of its proper divisors (12932142031).

387146473613 is a wasteful number, since it uses less digits than its factorization.

387146473613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41036 (or 41005 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 53.

The spelling of 387146473613 in words is "three hundred eighty-seven billion, one hundred forty-six million, four hundred seventy-three thousand, six hundred thirteen".