6902148643 has 8 divisors (see below), whose sum is σ = 7433823600. Its totient is φ = 6370579488.

The previous prime is 6902148641. The next prime is 6902148647. The reversal of 6902148643 is 3468412096.

It is a happy number.

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

It is not a de Polignac number, because 6902148643 - 2¹ = 6902148641 is a prime.

It is a super-3 number, since 3×6902148643³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6902148643.

It is not an unprimeable number, because it can be changed into a prime (6902148641) 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, 155388 + ... + 194806.

It is an arithmetic number, because the mean of its divisors is an integer number (929227950).

Almost surely, 2^6902148643 is an apocalyptic number.

6902148643 is a deficient number, since it is larger than the sum of its proper divisors (531674957).

6902148643 is a wasteful number, since it uses less digits than its factorization.

6902148643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52901.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 6902148643 is about 83079.1709335138. The cubic root of 6902148643 is about 1903.9758520751.

The spelling of 6902148643 in words is "six billion, nine hundred two million, one hundred forty-eight thousand, six hundred forty-three".