1972846319 has 2 divisors, whose sum is σ = 1972846320. Its totient is φ = 1972846318.

The previous prime is 1972846297. The next prime is 1972846349. The reversal of 1972846319 is 9136482791.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1972846319 is a prime.

It is a super-2 number, since 2×1972846319² = 7784245196783699522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1972846349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986423159 + 986423160.

It is an arithmetic number, because the mean of its divisors is an integer number (986423160).

Almost surely, 2^1972846319 is an apocalyptic number.

1972846319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1972846319 is an equidigital number, since it uses as much as digits as its factorization.

1972846319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 1972846319 is about 44416.7346728685. The cubic root of 1972846319 is about 1254.1931330998.

The spelling of 1972846319 in words is "one billion, nine hundred seventy-two million, eight hundred forty-six thousand, three hundred nineteen".