948390353819 has 4 divisors (see below), whose sum is σ = 948392337744. Its totient is φ = 948388369896.

The previous prime is 948390353777. The next prime is 948390353837. The reversal of 948390353819 is 918353093849.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 948390353819 - 2¹⁶ = 948390288283 is a prime.

It is a super-2 number, since 2×948390353819² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (948390353219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212969 + ... + 1393605.

It is an arithmetic number, because the mean of its divisors is an integer number (237098084436).

Almost surely, 2^948390353819 is an apocalyptic number.

948390353819 is a deficient number, since it is larger than the sum of its proper divisors (1983925).

948390353819 is a wasteful number, since it uses less digits than its factorization.

948390353819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983924.

The product of its (nonzero) digits is 25194240, while the sum is 62.

The spelling of 948390353819 in words is "nine hundred forty-eight billion, three hundred ninety million, three hundred fifty-three thousand, eight hundred nineteen".