1970643484 has 12 divisors (see below), whose sum is σ = 3466495984. Its totient is φ = 980216064.

The previous prime is 1970643481. The next prime is 1970643487. The reversal of 1970643484 is 4843460791.

It is an interprime number because it is at equal distance from previous prime (1970643481) and next prime (1970643487).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970643481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275552 + ... + 1277095.

Almost surely, 2^1970643484 is an apocalyptic number.

It is an amenable number.

1970643484 is a deficient number, since it is larger than the sum of its proper divisors (1495852500).

1970643484 is a wasteful number, since it uses less digits than its factorization.

1970643484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552844 (or 2552842 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 1970643484 is about 44391.9303928090. The cubic root of 1970643484 is about 1253.7261581463.

It can be divided in two parts, 19706 and 43484, that added together give a triangular number (63190 = T₃₅₅).

The spelling of 1970643484 in words is "one billion, nine hundred seventy million, six hundred forty-three thousand, four hundred eighty-four".