1970711481 has 8 divisors (see below), whose sum is σ = 2629116160. Its totient is φ = 1313057232.

The previous prime is 1970711467. The next prime is 1970711489. The reversal of 1970711481 is 1841170791.

It is a happy number.

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

It is not a de Polignac number, because 1970711481 - 2¹³ = 1970703289 is a prime.

It is a super-2 number, since 2×1970711481² = 7767407482690426722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1970711489) 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, 181450 + ... + 192003.

It is an arithmetic number, because the mean of its divisors is an integer number (328639520).

Almost surely, 2^1970711481 is an apocalyptic number.

It is an amenable number.

1970711481 is a deficient number, since it is larger than the sum of its proper divisors (658404679).

1970711481 is a wasteful number, since it uses less digits than its factorization.

1970711481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375215.

The product of its (nonzero) digits is 14112, while the sum is 39.

The square root of 1970711481 is about 44392.6962573800. The cubic root of 1970711481 is about 1253.7405779094.

The spelling of 1970711481 in words is "one billion, nine hundred seventy million, seven hundred eleven thousand, four hundred eighty-one".