6402049293 has 4 divisors (see below), whose sum is σ = 8536065728. Its totient is φ = 4268032860.

The previous prime is 6402049279. The next prime is 6402049343. The reversal of 6402049293 is 3929402046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6402049293 - 2⁶ = 6402049229 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 (6402049223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067008213 + ... + 1067008218.

It is an arithmetic number, because the mean of its divisors is an integer number (2134016432).

Almost surely, 2^6402049293 is an apocalyptic number.

It is an amenable number.

6402049293 is a deficient number, since it is larger than the sum of its proper divisors (2134016435).

6402049293 is a wasteful number, since it uses less digits than its factorization.

6402049293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134016434.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 6402049293 is about 80012.8070561207. The cubic root of 6402049293 is about 1856.8336784542.

The spelling of 6402049293 in words is "six billion, four hundred two million, forty-nine thousand, two hundred ninety-three".