1970870955 has 8 divisors (see below), whose sum is σ = 3153393552. Its totient is φ = 1051131168.

The previous prime is 1970870953. The next prime is 1970870959. The reversal of 1970870955 is 5590780791.

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

It is not a de Polignac number, because 1970870955 - 2¹ = 1970870953 is a prime.

It is a super-2 number, since 2×1970870955² = 7768664642525224050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1970870898 and 1970870907.

It is not an unprimeable number, because it can be changed into a prime (1970870953) 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, 65695684 + ... + 65695713.

It is an arithmetic number, because the mean of its divisors is an integer number (394174194).

Almost surely, 2^1970870955 is an apocalyptic number.

1970870955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1970870955 is a deficient number, since it is larger than the sum of its proper divisors (1182522597).

1970870955 is a wasteful number, since it uses less digits than its factorization.

1970870955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131391405.

The product of its (nonzero) digits is 793800, while the sum is 51.

The square root of 1970870955 is about 44394.4923948906. The cubic root of 1970870955 is about 1253.7743954138.

The spelling of 1970870955 in words is "one billion, nine hundred seventy million, eight hundred seventy thousand, nine hundred fifty-five".