1970056789 has 8 divisors (see below), whose sum is σ = 2122025472. Its totient is φ = 1823614320.

The previous prime is 1970056783. The next prime is 1970056801. The reversal of 1970056789 is 9876500791.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1970056789 is a prime.

It is a super-2 number, since 2×1970056789² = 7762247503769981042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970056783) 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, 1380814 + ... + 1382239.

It is an arithmetic number, because the mean of its divisors is an integer number (265253184).

Almost surely, 2^1970056789 is an apocalyptic number.

It is an amenable number.

1970056789 is a deficient number, since it is larger than the sum of its proper divisors (151968683).

1970056789 is a wasteful number, since it uses less digits than its factorization.

1970056789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763107.

The product of its (nonzero) digits is 952560, while the sum is 52.

The square root of 1970056789 is about 44385.3217742082. The cubic root of 1970056789 is about 1253.6017270688.

The spelling of 1970056789 in words is "one billion, nine hundred seventy million, fifty-six thousand, seven hundred eighty-nine".