2190927407 has 2 divisors, whose sum is σ = 2190927408. Its totient is φ = 2190927406.

The previous prime is 2190927383. The next prime is 2190927493. The reversal of 2190927407 is 7047290912.

2190927407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2190927407 - 2¹² = 2190923311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2190929407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095463703 + 1095463704.

It is an arithmetic number, because the mean of its divisors is an integer number (1095463704).

Almost surely, 2^2190927407 is an apocalyptic number.

2190927407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190927407 is an equidigital number, since it uses as much as digits as its factorization.

2190927407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 2190927407 is about 46807.3435157348. The cubic root of 2190927407 is about 1298.8011446611.

The spelling of 2190927407 in words is "two billion, one hundred ninety million, nine hundred twenty-seven thousand, four hundred seven".