1970998547 has 32 divisors (see below), whose sum is σ = 2556168192. Its totient is φ = 1479734784.

The previous prime is 1970998483. The next prime is 1970998559. The reversal of 1970998547 is 7458990791.

It is not a de Polignac number, because 1970998547 - 2⁶ = 1970998483 is a prime.

It is a super-2 number, since 2×1970998547² = 7769670544552222418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1970998577) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 91538 + ... + 111000.

It is an arithmetic number, because the mean of its divisors is an integer number (79880256).

Almost surely, 2^1970998547 is an apocalyptic number.

1970998547 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1970998547 is a deficient number, since it is larger than the sum of its proper divisors (585169645).

1970998547 is a wasteful number, since it uses less digits than its factorization.

1970998547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19547.

The product of its (nonzero) digits is 5715360, while the sum is 59.

The square root of 1970998547 is about 44395.9293967364. The cubic root of 1970998547 is about 1253.8014508179.

The spelling of 1970998547 in words is "one billion, nine hundred seventy million, nine hundred ninety-eight thousand, five hundred forty-seven".