6870156431 has 8 divisors (see below), whose sum is σ = 7044398928. Its totient is φ = 6696232000.

The previous prime is 6870156421. The next prime is 6870156497. The reversal of 6870156431 is 1346510786.

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

It is a cyclic number.

It is not a de Polignac number, because 6870156431 - 2⁶ = 6870156367 is a prime.

It is a super-2 number, since 2×6870156431² = 94398098772821315522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6870156421) 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, 35465 + ... + 122466.

It is an arithmetic number, because the mean of its divisors is an integer number (880549866).

Almost surely, 2^6870156431 is an apocalyptic number.

6870156431 is a deficient number, since it is larger than the sum of its proper divisors (174242497).

6870156431 is a wasteful number, since it uses less digits than its factorization.

6870156431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159033.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 6870156431 is about 82886.4067926702. The cubic root of 6870156431 is about 1901.0295833490.

The spelling of 6870156431 in words is "six billion, eight hundred seventy million, one hundred fifty-six thousand, four hundred thirty-one".