320400149519 has 2 divisors, whose sum is σ = 320400149520. Its totient is φ = 320400149518.

The previous prime is 320400149501. The next prime is 320400149539. The reversal of 320400149519 is 915941004023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320400149519 - 2¹² = 320400145423 is a prime.

It is a super-2 number, since 2×320400149519² (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 (320400149539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160200074759 + 160200074760.

It is an arithmetic number, because the mean of its divisors is an integer number (160200074760).

Almost surely, 2^320400149519 is an apocalyptic number.

320400149519 is a deficient number, since it is larger than the sum of its proper divisors (1).

320400149519 is an equidigital number, since it uses as much as digits as its factorization.

320400149519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 320400149519 in words is "three hundred twenty billion, four hundred million, one hundred forty-nine thousand, five hundred nineteen".