6457951090 has 16 divisors (see below), whose sum is σ = 11632472280. Its totient is φ = 2581367040.

The previous prime is 6457951069. The next prime is 6457951091. The reversal of 6457951090 is 901597546.

It can be written as a sum of positive squares in 4 ways, for example, as 5032057969 + 1425893121 = 70937^2 + 37761^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6457951090.

It is not an unprimeable number, because it can be changed into a prime (6457951091) 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, 211671 + ... + 240250.

Almost surely, 2^6457951090 is an apocalyptic number.

6457951090 is a deficient number, since it is larger than the sum of its proper divisors (5174521190).

6457951090 is a wasteful number, since it uses less digits than its factorization.

6457951090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453357.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 6457951090 is about 80361.3780991839. The cubic root of 6457951090 is about 1862.2225608997. Note that the first 3 decimals are identical.

The spelling of 6457951090 in words is "six billion, four hundred fifty-seven million, nine hundred fifty-one thousand, ninety".