43024401373 has 2 divisors, whose sum is σ = 43024401374. Its totient is φ = 43024401372.

The previous prime is 43024401359. The next prime is 43024401377. The reversal of 43024401373 is 37310442034.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39647977924 + 3376423449 = 199118^2 + 58107^2 .

It is a cyclic number.

It is not a de Polignac number, because 43024401373 - 2²⁹ = 42487530461 is a prime.

It is a super-2 number, since 2×43024401373² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43024401377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21512200686 + 21512200687.

It is an arithmetic number, because the mean of its divisors is an integer number (21512200687).

Almost surely, 2^43024401373 is an apocalyptic number.

It is an amenable number.

43024401373 is a deficient number, since it is larger than the sum of its proper divisors (1).

43024401373 is an equidigital number, since it uses as much as digits as its factorization.

43024401373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 31.

The spelling of 43024401373 in words is "forty-three billion, twenty-four million, four hundred one thousand, three hundred seventy-three".