1970153898 has 16 divisors (see below), whose sum is σ = 3952004160. Its totient is φ = 654768576.

The previous prime is 1970153873. The next prime is 1970153917. The reversal of 1970153898 is 8983510791.

It is a self number, because there is not a number n which added to its sum of digits gives 1970153898.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485158 + ... + 489201.

It is an arithmetic number, because the mean of its divisors is an integer number (247000260).

Almost surely, 2^1970153898 is an apocalyptic number.

1970153898 is an abundant number, since it is smaller than the sum of its proper divisors (1981850262).

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

1970153898 is a wasteful number, since it uses less digits than its factorization.

1970153898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974701.

The product of its (nonzero) digits is 544320, while the sum is 51.

The square root of 1970153898 is about 44386.4156921912. The cubic root of 1970153898 is about 1253.6223244462.

The spelling of 1970153898 in words is "one billion, nine hundred seventy million, one hundred fifty-three thousand, eight hundred ninety-eight".