1970358993 has 16 divisors (see below), whose sum is σ = 2920868160. Its totient is φ = 1312754688.

The previous prime is 1970358991. The next prime is 1970359031. The reversal of 1970358993 is 3998530791.

It is not a de Polignac number, because 1970358993 - 2¹ = 1970358991 is a prime.

It is a super-2 number, since 2×1970358993² = 7764629122591948098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1970358991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23121 + ... + 66897.

It is an arithmetic number, because the mean of its divisors is an integer number (182554260).

Almost surely, 2^1970358993 is an apocalyptic number.

It is an amenable number.

1970358993 is a deficient number, since it is larger than the sum of its proper divisors (950509167).

1970358993 is a wasteful number, since it uses less digits than its factorization.

1970358993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45453 (or 45447 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The square root of 1970358993 is about 44388.7259672994. The cubic root of 1970358993 is about 1253.6658240513.

The spelling of 1970358993 in words is "one billion, nine hundred seventy million, three hundred fifty-eight thousand, nine hundred ninety-three".