143920596949 has 2 divisors, whose sum is σ = 143920596950. Its totient is φ = 143920596948.

The previous prime is 143920596923. The next prime is 143920596977. The reversal of 143920596949 is 949695029341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90655188100 + 53265408849 = 301090^2 + 230793^2 .

It is an emirp because it is prime and its reverse (949695029341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143920596949 - 2²⁵ = 143887042517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143920596979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71960298474 + 71960298475.

It is an arithmetic number, because the mean of its divisors is an integer number (71960298475).

Almost surely, 2^143920596949 is an apocalyptic number.

It is an amenable number.

143920596949 is a deficient number, since it is larger than the sum of its proper divisors (1).

143920596949 is an equidigital number, since it uses as much as digits as its factorization.

143920596949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18895680, while the sum is 61.

The spelling of 143920596949 in words is "one hundred forty-three billion, nine hundred twenty million, five hundred ninety-six thousand, nine hundred forty-nine".