6450390999070 has 64 divisors (see below), whose sum is σ = 12052216126080. Its totient is φ = 2482658906112.

The previous prime is 6450390999047. The next prime is 6450390999077. The reversal of 6450390999070 is 709990930546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6450390999077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232290327 + ... + 232318093.

It is an arithmetic number, because the mean of its divisors is an integer number (188315876970).

Almost surely, 2^{6450390999070} is an apocalyptic number.

6450390999070 is a deficient number, since it is larger than the sum of its proper divisors (5601825127010).

6450390999070 is a wasteful number, since it uses less digits than its factorization.

6450390999070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30517.

The product of its (nonzero) digits is 16533720, while the sum is 61.

The spelling of 6450390999070 in words is "six trillion, four hundred fifty billion, three hundred ninety million, nine hundred ninety-nine thousand, seventy".