253543421070 has 48 divisors (see below), whose sum is σ = 659345620752. Its totient is φ = 67597966080.

The previous prime is 253543420981. The next prime is 253543421099. The reversal of 253543421070 is 70124345352.

253543421070 is a `hidden beast` number, since 2 + 5 + 3 + 5 + 434 + 210 + 7 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169894 + ... + 732086.

It is an arithmetic number, because the mean of its divisors is an integer number (13736367099).

Almost surely, 2^253543421070 is an apocalyptic number.

253543421070 is an abundant number, since it is smaller than the sum of its proper divisors (405802199682).

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

253543421070 is a wasteful number, since it uses less digits than its factorization.

253543421070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567217 (or 567214 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 253543421070 in words is "two hundred fifty-three billion, five hundred forty-three million, four hundred twenty-one thousand, seventy".