402047000437 has 2 divisors, whose sum is σ = 402047000438. Its totient is φ = 402047000436.

The previous prime is 402047000371. The next prime is 402047000489. The reversal of 402047000437 is 734000740204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398907191281 + 3139809156 = 631591^2 + 56034^2 .

It is a cyclic number.

It is not a de Polignac number, because 402047000437 - 2¹⁵ = 402046967669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402047000399 and 402047000408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402047000237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201023500218 + 201023500219.

It is an arithmetic number, because the mean of its divisors is an integer number (201023500219).

Almost surely, 2^402047000437 is an apocalyptic number.

It is an amenable number.

402047000437 is a deficient number, since it is larger than the sum of its proper divisors (1).

402047000437 is an equidigital number, since it uses as much as digits as its factorization.

402047000437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 31.

The spelling of 402047000437 in words is "four hundred two billion, forty-seven million, four hundred thirty-seven", and thus it is an aban number.