2467720919 has 2 divisors, whose sum is σ = 2467720920. Its totient is φ = 2467720918.

The previous prime is 2467720907. The next prime is 2467720951. The reversal of 2467720919 is 9190277642.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2467720919 is a prime.

It is a super-2 number, since 2×2467720919² = 12179293068140409122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2467720979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1233860459 + 1233860460.

It is an arithmetic number, because the mean of its divisors is an integer number (1233860460).

Almost surely, 2^2467720919 is an apocalyptic number.

2467720919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2467720919 is an equidigital number, since it uses as much as digits as its factorization.

2467720919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 2467720919 is about 49676.1604695854. The cubic root of 2467720919 is about 1351.3422259207.

The spelling of 2467720919 in words is "two billion, four hundred sixty-seven million, seven hundred twenty thousand, nine hundred nineteen".