1853920147 has 2 divisors, whose sum is σ = 1853920148. Its totient is φ = 1853920146.

The previous prime is 1853920141. The next prime is 1853920169. The reversal of 1853920147 is 7410293581.

It is a weak prime.

It is an emirp because it is prime and its reverse (7410293581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1853920147 - 2²³ = 1845531539 is a prime.

It is a super-2 number, since 2×1853920147² = 6874039822905003218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1853920141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 926960073 + 926960074.

It is an arithmetic number, because the mean of its divisors is an integer number (926960074).

Almost surely, 2^1853920147 is an apocalyptic number.

1853920147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1853920147 is an equidigital number, since it uses as much as digits as its factorization.

1853920147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1853920147 is about 43057.1730028807. The cubic root of 1853920147 is about 1228.4675093159.

The spelling of 1853920147 in words is "one billion, eight hundred fifty-three million, nine hundred twenty thousand, one hundred forty-seven".