4216139397 has 8 divisors (see below), whose sum is σ = 6246132480. Its totient is φ = 2810759580.

The previous prime is 4216139321. The next prime is 4216139399. The reversal of 4216139397 is 7939316124.

4216139397 is a `hidden beast` number, since 4 + 21 + 613 + 9 + 3 + 9 + 7 = 666.

4216139397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4216139397 - 2²² = 4211945093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4216139399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78076629 + ... + 78076682.

It is an arithmetic number, because the mean of its divisors is an integer number (780766560).

Almost surely, 2^4216139397 is an apocalyptic number.

It is an amenable number.

4216139397 is a deficient number, since it is larger than the sum of its proper divisors (2029993083).

4216139397 is a wasteful number, since it uses less digits than its factorization.

4216139397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156153320 (or 156153314 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 4216139397 is about 64931.8057426405. The cubic root of 4216139397 is about 1615.4926525341.

The spelling of 4216139397 in words is "four billion, two hundred sixteen million, one hundred thirty-nine thousand, three hundred ninety-seven".