390041929943 has 2 divisors, whose sum is σ = 390041929944. Its totient is φ = 390041929942.

The previous prime is 390041929933. The next prime is 390041929993. The reversal of 390041929943 is 349929140093.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 390041929943 - 2¹⁴ = 390041913559 is a prime.

It is a super-2 number, since 2×390041929943² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390041929933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195020964971 + 195020964972.

It is an arithmetic number, because the mean of its divisors is an integer number (195020964972).

Almost surely, 2^390041929943 is an apocalyptic number.

390041929943 is a deficient number, since it is larger than the sum of its proper divisors (1).

390041929943 is an equidigital number, since it uses as much as digits as its factorization.

390041929943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The spelling of 390041929943 in words is "three hundred ninety billion, forty-one million, nine hundred twenty-nine thousand, nine hundred forty-three".