1970948479 has 2 divisors, whose sum is σ = 1970948480. Its totient is φ = 1970948478.

The previous prime is 1970948467. The next prime is 1970948501. The reversal of 1970948479 is 9748490791.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1970948479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1970948429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985474239 + 985474240.

It is an arithmetic number, because the mean of its divisors is an integer number (985474240).

Almost surely, 2^1970948479 is an apocalyptic number.

1970948479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970948479 is an equidigital number, since it uses as much as digits as its factorization.

1970948479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The square root of 1970948479 is about 44395.3655126298. The cubic root of 1970948479 is about 1253.7908342258.

The spelling of 1970948479 in words is "one billion, nine hundred seventy million, nine hundred forty-eight thousand, four hundred seventy-nine".