6902939142 has 24 divisors (see below), whose sum is σ = 16316038440. Its totient is φ = 2091799680.

The previous prime is 6902939123. The next prime is 6902939149. The reversal of 6902939142 is 2419392096.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6902939149) 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, 17431467 + ... + 17431862.

It is an arithmetic number, because the mean of its divisors is an integer number (679834935).

Almost surely, 2^6902939142 is an apocalyptic number.

6902939142 is an abundant number, since it is smaller than the sum of its proper divisors (9413099298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6902939142 is a wasteful number, since it uses less digits than its factorization.

6902939142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34863348 (or 34863345 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 6902939142 is about 83083.9283014471. The cubic root of 6902939142 is about 1904.0485363763.

The spelling of 6902939142 in words is "six billion, nine hundred two million, nine hundred thirty-nine thousand, one hundred forty-two".