1970133811 has 8 divisors (see below), whose sum is σ = 1983961760. Its totient is φ = 1956322368.

The previous prime is 1970133787. The next prime is 1970133833. The reversal of 1970133811 is 1183310791.

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

It is a cyclic number.

It is not a de Polignac number, because 1970133811 - 2⁵ = 1970133779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1970133871) 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, 324970 + ... + 330976.

It is an arithmetic number, because the mean of its divisors is an integer number (247995220).

Almost surely, 2^1970133811 is an apocalyptic number.

1970133811 is a deficient number, since it is larger than the sum of its proper divisors (13827949).

1970133811 is a wasteful number, since it uses less digits than its factorization.

1970133811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8253.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 1970133811 is about 44386.1894174303. The cubic root of 1970133811 is about 1253.6180639335.

The spelling of 1970133811 in words is "one billion, nine hundred seventy million, one hundred thirty-three thousand, eight hundred eleven".